{"title":"Fixed fuel boiler up to 30 kW","description":"","products":[{"product_id":"atmos-kc25-kohlekessel","title":"ATMOS KC 25 S coal gasifier 26 kW – solid fuel boiler for brown coal","description":"\u003ch2 data-end=\"2127\" data-start=\"2089\"\u003eATMOS KC 25 S – coal gasifier 26 kW\u003c\/h2\u003e  \u003ch3 data-end=\"2154\" data-start=\"2129\"\u003eProduct description\u003c\/h3\u003e  \u003cp data-end=\"2467\" data-start=\"2155\"\u003eThe ATMOS KC 25 S offers higher performance reserves for medium-sized residential buildings. The combination of a ceramic combustion chamber, generator gasification, and controlled primary\/secondary air ensures low emissions and an efficiency of over 90%. The boiler is designed for continuous operation with a buffer storage tank.\u003c\/p\u003e  \u003ch3 data-end=\"2485\" data-start=\"2469\"\u003eHighlights\u003c\/h3\u003e  \u003cul data-end=\"2630\" data-start=\"2486\"\u003e  \u003cli data-end=\"2508\" data-start=\"2486\"\u003e  \u003cp data-end=\"2508\" data-start=\"2488\"\u003e26 kW heating output\u003c\/p\u003e  \u003c\/li\u003e  \u003cli data-end=\"2536\" data-start=\"2509\"\u003e  \u003cp data-end=\"2536\" data-start=\"2511\"\u003eEfficiency up to 90.4%\u003c\/p\u003e  \u003c\/li\u003e  \u003cli data-end=\"2558\" data-start=\"2537\"\u003e  \u003cp data-end=\"2558\" data-start=\"2539\"\u003eEN 303-5 Class 5\u003c\/p\u003e  \u003c\/li\u003e  \u003cli data-end=\"2591\" data-start=\"2559\"\u003e  \u003cp data-end=\"2591\" data-start=\"2561\"\u003eExhaust fan included as standard\u003c\/p\u003e  \u003c\/li\u003e  \u003cli data-end=\"2630\" data-start=\"2592\"\u003e  \u003cp data-end=\"2630\" data-start=\"2594\"\u003eSuitable for combined heating systems\u003c\/p\u003e  \u003c\/li\u003e  \u003c\/ul\u003e  \u003ch3 data-end=\"2655\" data-start=\"2632\"\u003eAreas of application\u003c\/h3\u003e  \u003cp data-end=\"2675\" data-start=\"2656\"\u003e\u003cstrong data-end=\"2673\" data-start=\"2656\"\u003eSuitable for:\u003c\/strong\u003e\u003c\/p\u003e  \u003cul data-end=\"2779\" data-start=\"2676\"\u003e  \u003cli data-end=\"2707\" data-start=\"2676\"\u003e  \u003cp data-end=\"2707\" data-start=\"2678\"\u003eSingle-family and multi-family homes\u003c\/p\u003e  \u003c\/li\u003e  \u003cli data-end=\"2748\" data-start=\"2708\"\u003e  \u003cp data-end=\"2748\" data-start=\"2710\"\u003eWorkshops, smaller commercial properties\u003c\/p\u003e  \u003c\/li\u003e  \u003cli data-end=\"2779\" data-start=\"2749\"\u003e  \u003cp data-end=\"2779\" data-start=\"2751\"\u003eSystems with buffer storage\u003c\/p\u003e  \u003c\/li\u003e  \u003c\/ul\u003e  \u003cp data-end=\"2806\" data-start=\"2781\"\u003e\u003cstrong data-end=\"2804\" data-start=\"2781\"\u003eNot suitable for:\u003c\/strong\u003e\u003c\/p\u003e  \u003cul data-end=\"2873\" data-start=\"2807\"\u003e  \u003cli data-end=\"2835\" data-start=\"2807\"\u003e  \u003cp data-end=\"2835\" data-start=\"2809\"\u003eAutomatic loading\u003c\/p\u003e  \u003c\/li\u003e  \u003cli data-end=\"2873\" data-start=\"2836\"\u003e  \u003cp data-end=\"2873\" data-start=\"2838\"\u003ePellet or wood chip operation\u003c\/p\u003e  \u003c\/li\u003e  \u003c\/ul\u003e  \u003ch3 data-end=\"2906\" data-start=\"2875\"\u003eTechnical specifications (excerpt)\u003c\/h3\u003e  \u003cul data-end=\"3151\" data-start=\"2907\"\u003e  \u003cli data-end=\"2930\" data-start=\"2907\"\u003e  \u003cp data-end=\"2930\" data-start=\"2909\"\u003eRated power: 26 kW\u003c\/p\u003e  \u003c\/li\u003e  \u003cli data-end=\"2955\" data-start=\"2931\"\u003e  \u003cp data-end=\"2955\" data-start=\"2933\"\u003eEfficiency: 90.4%\u003c\/p\u003e  \u003c\/li\u003e  \u003cli data-end=\"2983\" data-start=\"2956\"\u003e  \u003cp data-end=\"2983\" data-start=\"2958\"\u003eFuel volume: 65 l\u003c\/p\u003e  \u003c\/li\u003e  \u003cli data-end=\"3022\" data-start=\"2984\"\u003e  \u003cp data-end=\"3022\" data-start=\"2986\"\u003eFlue pipe connection: Ø 150\/152 mm\u003c\/p\u003e  \u003c\/li\u003e  \u003cli data-end=\"3064\" data-start=\"3023\"\u003e  \u003cp data-end=\"3064\" data-start=\"3025\"\u003eDimensions (H × W × D): 1185 × 675 × 758 mm\u003c\/p\u003e  \u003c\/li\u003e  \u003cli data-end=\"3084\" data-start=\"3065\"\u003e  \u003cp data-end=\"3084\" data-start=\"3067\"\u003eWeight: 297 kg\u003c\/p\u003e  \u003c\/li\u003e  \u003cli data-end=\"3107\" data-start=\"3085\"\u003e  \u003cp data-end=\"3107\" data-start=\"3087\"\u003eWater capacity: 45 l\u003c\/p\u003e  \u003c\/li\u003e  \u003cli data-end=\"3133\" data-start=\"3108\"\u003e  \u003cp data-end=\"3133\" data-start=\"3110\"\u003eChimney draft: 20 Pa\u003c\/p\u003e  \u003c\/li\u003e  \u003cli data-end=\"3151\" data-start=\"3134\"\u003e  \u003cp data-end=\"3151\" data-start=\"3136\"\u003eBoiler class: 5\u003c\/p\u003e  \u003c\/li\u003e  \u003c\/ul\u003e  \u003ch3 data-end=\"3171\" data-start=\"3153\"\u003eScope of delivery\u003c\/h3\u003e  \u003cul data-end=\"3297\" data-start=\"3172\"\u003e  \u003cli data-end=\"3196\" data-start=\"3172\"\u003e  \u003cp data-end=\"3196\" data-start=\"3174\"\u003eATMOS KC 25 S boiler\u003c\/p\u003e  \u003c\/li\u003e  \u003cli data-end=\"3217\" data-start=\"3197\"\u003e  \u003cp data-end=\"3217\" data-start=\"3199\"\u003eExhaust fan\u003c\/p\u003e  \u003c\/li\u003e  \u003cli data-end=\"3238\" data-start=\"3218\"\u003e  \u003cp data-end=\"3238\" data-start=\"3220\"\u003eTrain regulator FR 124\u003c\/p\u003e  \u003c\/li\u003e  \u003cli data-end=\"3275\" data-start=\"3239\"\u003e  \u003cp data-end=\"3275\" data-start=\"3241\"\u003eAsh container, cleaning accessories\u003c\/p\u003e  \u003c\/li\u003e  \u003cli data-end=\"3297\" data-start=\"3276\"\u003e  \u003cp data-end=\"3297\" data-start=\"3278\"\u003eUser manual\u003c\/p\u003e  \u003c\/li\u003e  \u003c\/ul\u003e  \u003ch3 data-end=\"3310\" data-start=\"3299\"\u003eConclusion\u003c\/h3\u003e  \u003cp data-end=\"3490\" data-start=\"3311\"\u003eThe KC 25 S is the balanced solution for medium heating loads – efficient, durable and low-emission.\u003c\/p\u003e  \u003cp data-start=\"900\" data-end=\"1109\"\u003e👉  \u003cstrong data-start=\"903\" data-end=\"950\"\u003eOrder commissioning now, along with the commissioning!\u003c\/strong\u003e\u003cbr data-start=\"950\" data-end=\"953\"\u003eWith the \u0026quot;Commissioning by ATMOS\u0026quot; service, you ensure that your boiler is optimally set up and that all technical requirements are met.\u003c\/p\u003e  \u003cp data-start=\"1111\" data-end=\"1305\"\u003eFurther information on the process, requirements and services can be found in our article on \u003cstrong data-start=\"1209\" data-end=\"1304\"\u003e[\u003ca href=\"https:\/\/gemashop.de\/products\/atmos-inbetriebnahme\" title=\"Atmos Inbetriebnahme\" rel=\"noopener\" target=\"_blank\"\u003eATMOS commissioning\u003c\/a\u003e]\u003c\/strong\u003e.\u003c\/p\u003e","brand":"Atmos","offers":[{"title":"Default Title","offer_id":49417060811100,"sku":"01.12.25","price":4033.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0757\/7796\/6428\/files\/atmos-kc-25-s-kohlevergaser-26-kw-festbrennstoffkessel-fur-braunkohle-5608197.webp?v=1770692843"},{"product_id":"defro-firewood-plus-24-kw-naturzugkessel-holzvergaser","title":"Defro Firewood Plus 24 kW natural draft boiler","description":"\u003cp data-start=\"471\" data-end=\"756\"\u003eThe \u003cstrong data-start=\"475\" data-end=\"504\"\u003eDefro Firewood Plus 24 kW\u003c\/strong\u003e This is a high-performance natural draft boiler for firewood. With an efficiency of 92.5%, electronic primary air control, and an integrated safety heat exchanger, it offers an efficient solution for larger single-family homes or apartment buildings.\u003c\/p\u003e  \u003chr data-start=\"758\" data-end=\"761\"\u003e  \u003ch2 data-start=\"763\" data-end=\"789\"\u003eHighlights\/Advantages\u003c\/h2\u003e  \u003cp data-start=\"791\" data-end=\"1139\"\u003e⭐ 92.5% efficiency – maximum fuel utilization\u003cbr data-start=\"844\" data-end=\"847\"\u003e⭐ Energy efficiency class A+ – modern wood heating with high efficiency\u003cbr data-start=\"916\" data-end=\"919\"\u003e⭐ Integrated safety heat exchanger – suitable for closed systems\u003cbr data-start=\"994\" data-end=\"997\"\u003e⭐ Electronic primary air control – precise and convenient regulation\u003cbr data-start=\"1067\" data-end=\"1070\"\u003e⭐ Multiple connections to the chimney are possible – flexible system planning\u003c\/p\u003e  \u003chr data-start=\"1141\" data-end=\"1144\"\u003e  \u003ch2 data-start=\"1146\" data-end=\"1176\"\u003eDetailed description\u003c\/h2\u003e  \u003ch3 data-start=\"1178\" data-end=\"1211\"\u003eArea of ​​application \u0026amp; Target audience\u003c\/h3\u003e  \u003cp data-start=\"1213\" data-end=\"1467\"\u003eThe Defro Firewood Plus 24 kW is a natural draft boiler for burning logs (hardwood, residual moisture 12–20%). With its nominal output of 24 kW, it is suitable for larger single-family homes, apartment buildings, or buildings with increased heating requirements.\u003c\/p\u003e  \u003cp data-start=\"1469\" data-end=\"1591\"\u003eThe secondary air supply, adjustable on both sides, allows for flexible setup even in confined spaces.\u003c\/p\u003e  \u003chr data-start=\"1593\" data-end=\"1596\"\u003e  \u003ch3 data-start=\"1598\" data-end=\"1622\"\u003eEveryday benefits\u003c\/h3\u003e  \u003cp data-start=\"1624\" data-end=\"1787\"\u003eThe electronic control system automatically regulates the primary air supply. Additionally, the boiler circulation pump and an optional induced draft fan can be controlled.\u003c\/p\u003e  \u003cp data-start=\"1789\" data-end=\"1946\"\u003eLarge loading doors facilitate the feeding of logs up to 390 mm in length. An integrated sight glass allows for visual monitoring of the gasifier flame.\u003c\/p\u003e  \u003chr data-start=\"1948\" data-end=\"1951\"\u003e  \u003ch3 data-start=\"1953\" data-end=\"1980\"\u003eTechnology \u0026amp; equipment\u003c\/h3\u003e  \u003cp data-start=\"1982\" data-end=\"2141\"\u003eThe boiler body is made of high-quality steel. The factory-installed safety heat exchanger allows operation in closed heating systems.\u003c\/p\u003e  \u003cp data-start=\"2143\" data-end=\"2274\"\u003eThe required delivery pressure is 0.28 mbar. The boiler is suitable for multiple connections to a common chimney.\u003c\/p\u003e  \u003chr data-start=\"2276\" data-end=\"2279\"\u003e  \u003ch3 data-start=\"2281\" data-end=\"2305\"\u003eEfficiency \u0026amp; Environment\u003c\/h3\u003e  \u003cp data-start=\"2307\" data-end=\"2410\"\u003eWith a standard efficiency of 92.5%, the Firewood Plus 24 kW achieves energy efficiency class A+.\u003c\/p\u003e  \u003cp data-start=\"2412\" data-end=\"2543\"\u003eThe recommended minimum buffer storage capacity is 1300 liters to ensure efficient and low-emission operation.\u003c\/p\u003e  \u003chr data-start=\"2545\" data-end=\"2548\"\u003e  \u003ch3 data-start=\"2550\" data-end=\"2590\"\u003ecompatibility \u0026amp; System integration\u003c\/h3\u003e  \u003cp data-start=\"2592\" data-end=\"2630\"\u003eThe exhaust connection has a diameter of 178 mm.\u003c\/p\u003e  \u003cp data-start=\"2632\" data-end=\"2684\"\u003eThe flow and return lines are made with 1½\u0026quot; (IG) threads.\u003c\/p\u003e  \u003cp data-start=\"2686\" data-end=\"2764\"\u003eThe power supply is provided via 230 V\/50 Hz for the electronic control.\u003c\/p\u003e  \u003cp data-start=\"2766\" data-end=\"2930\"\u003eSuitable accessories such as buffer tanks, thermal relief valves, safety groups or hydraulic components can be found in the product range at \u003cstrong data-start=\"2914\" data-end=\"2929\"\u003egemashop.de\u003c\/strong\u003e.\u003c\/p\u003e  \u003chr data-start=\"2932\" data-end=\"2935\"\u003e  \u003ch2 data-start=\"2937\" data-end=\"2958\"\u003eTechnical data\u003c\/h2\u003e  \u003cdiv class=\"TyagGW_tableContainer\"\u003e  \u003cdiv class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\"\u003e  \u003ctable data-start=\"2960\" data-end=\"3651\" class=\"w-fit min-w-(--thread-content-width)\"\u003e  \u003cthead data-start=\"2960\" data-end=\"2978\"\u003e  \u003ctr data-start=\"2960\" data-end=\"2978\"\u003e  \u003cth data-start=\"2960\" data-end=\"2970\" data-col-size=\"sm\" class=\"\"\u003efeature\u003c\/th\u003e  \u003cth data-start=\"2970\" data-end=\"2978\" data-col-size=\"sm\" class=\"\"\u003eValue\u003c\/th\u003e  \u003c\/tr\u003e  \u003c\/thead\u003e  \u003ctbody data-start=\"2999\" data-end=\"3651\"\u003e  \u003ctr data-start=\"2999\" data-end=\"3021\"\u003e  \u003ctd data-start=\"2999\" data-end=\"3012\" data-col-size=\"sm\"\u003eManufacturer\u003c\/td\u003e  \u003ctd data-start=\"3012\" data-end=\"3021\" data-col-size=\"sm\"\u003eDEFRO\u003c\/td\u003e  \u003c\/tr\u003e  \u003ctr data-start=\"3022\" data-end=\"3051\"\u003e  \u003ctd data-start=\"3022\" data-end=\"3031\" data-col-size=\"sm\"\u003eModel\u003c\/td\u003e  \u003ctd data-start=\"3031\" data-end=\"3051\" data-col-size=\"sm\"\u003eFirewood Plus 24\u003c\/td\u003e  \u003c\/tr\u003e  \u003ctr data-start=\"3052\" data-end=\"3098\"\u003e  \u003ctd data-start=\"3052\" data-end=\"3065\" data-col-size=\"sm\"\u003eProduct type\u003c\/td\u003e  \u003ctd data-start=\"3065\" data-end=\"3098\" data-col-size=\"sm\"\u003eNatural draft boiler \u003c\/td\u003e  \u003c\/tr\u003e  \u003ctr data-start=\"3099\" data-end=\"3123\"\u003e  \u003ctd data-start=\"3099\" data-end=\"3114\" data-col-size=\"sm\"\u003eRated power\u003c\/td\u003e  \u003ctd data-start=\"3114\" data-end=\"3123\" data-col-size=\"sm\"\u003e24 kW\u003c\/td\u003e  \u003c\/tr\u003e  \u003ctr data-start=\"3124\" data-end=\"3170\"\u003e  \u003ctd data-start=\"3124\" data-end=\"3137\" data-col-size=\"sm\"\u003efuel\u003c\/td\u003e  \u003ctd data-start=\"3137\" data-end=\"3170\" data-col-size=\"sm\"\u003eFirewood (hardwood 12–20%)\u003c\/td\u003e  \u003c\/tr\u003e  \u003ctr data-start=\"3171\" data-end=\"3196\"\u003e  \u003ctd data-start=\"3171\" data-end=\"3186\" data-col-size=\"sm\"\u003eefficiency\u003c\/td\u003e  \u003ctd data-start=\"3186\" data-end=\"3196\" data-col-size=\"sm\"\u003e92.5%\u003c\/td\u003e  \u003c\/tr\u003e  \u003ctr data-start=\"3197\" data-end=\"3228\"\u003e  \u003ctd data-start=\"3197\" data-end=\"3222\" data-col-size=\"sm\"\u003eEnergy efficiency class\u003c\/td\u003e  \u003ctd data-start=\"3222\" data-end=\"3228\" data-col-size=\"sm\"\u003eA+\u003c\/td\u003e  \u003c\/tr\u003e  \u003ctr data-start=\"3229\" data-end=\"3255\"\u003e  \u003ctd data-start=\"3229\" data-end=\"3245\" data-col-size=\"sm\"\u003eboiler weight\u003c\/td\u003e  \u003ctd data-start=\"3245\" data-end=\"3255\" data-col-size=\"sm\"\u003e429 kg\u003c\/td\u003e  \u003c\/tr\u003e  \u003ctr data-start=\"3256\" data-end=\"3284\"\u003e  \u003ctd data-start=\"3256\" data-end=\"3274\" data-col-size=\"sm\"\u003eExhaust gas temperature\u003c\/td\u003e  \u003ctd data-start=\"3274\" data-end=\"3284\" data-col-size=\"sm\"\u003e154 °C\u003c\/td\u003e  \u003c\/tr\u003e  \u003ctr data-start=\"3285\" data-end=\"3316\"\u003e  \u003ctd data-start=\"3285\" data-end=\"3304\" data-col-size=\"sm\"\u003eExhaust gas mass flow\u003c\/td\u003e  \u003ctd data-start=\"3304\" data-end=\"3316\" data-col-size=\"sm\"\u003e19.0 g\/s\u003c\/td\u003e  \u003c\/tr\u003e  \u003ctr data-start=\"3317\" data-end=\"3340\"\u003e  \u003ctd data-start=\"3317\" data-end=\"3330\" data-col-size=\"sm\"\u003eCO₂ content\u003c\/td\u003e  \u003ctd data-start=\"3330\" data-end=\"3340\" data-col-size=\"sm\"\u003e13.1%\u003c\/td\u003e  \u003c\/tr\u003e  \u003ctr data-start=\"3341\" data-end=\"3383\"\u003e  \u003ctd data-start=\"3341\" data-end=\"3370\" data-col-size=\"sm\"\u003eRequired delivery pressure\u003c\/td\u003e  \u003ctd data-start=\"3370\" data-end=\"3383\" data-col-size=\"sm\"\u003e0.28 mbar\u003c\/td\u003e  \u003c\/tr\u003e  \u003ctr data-start=\"3384\" data-end=\"3413\"\u003e  \u003ctd data-start=\"3384\" data-end=\"3401\" data-col-size=\"sm\"\u003eExhaust connection\u003c\/td\u003e  \u003ctd data-start=\"3401\" data-end=\"3413\" data-col-size=\"sm\"\u003eØ 178 mm\u003c\/td\u003e  \u003c\/tr\u003e  \u003ctr data-start=\"3414\" data-end=\"3445\"\u003e  \u003ctd data-start=\"3414\" data-end=\"3435\" data-col-size=\"sm\"\u003eFlow\/Return\u003c\/td\u003e  \u003ctd data-start=\"3435\" data-end=\"3445\" data-col-size=\"sm\"\u003e1½\u0026quot; internal thread\u003c\/td\u003e  \u003c\/tr\u003e  \u003ctr data-start=\"3446\" data-end=\"3490\"\u003e  \u003ctd data-start=\"3446\" data-end=\"3476\" data-col-size=\"sm\"\u003eFlow temperature min.\/max.\u003c\/td\u003e  \u003ctd data-start=\"3476\" data-end=\"3490\" data-col-size=\"sm\"\u003e75\/90 °C\u003c\/td\u003e  \u003c\/tr\u003e  \u003ctr data-start=\"3491\" data-end=\"3530\"\u003e  \u003ctd data-start=\"3491\" data-end=\"3521\" data-col-size=\"sm\"\u003eMinimum return temperature\u003c\/td\u003e  \u003ctd data-start=\"3521\" data-end=\"3530\" data-col-size=\"sm\"\u003e65 °C\u003c\/td\u003e  \u003c\/tr\u003e  \u003ctr data-start=\"3531\" data-end=\"3572\"\u003e  \u003ctd data-start=\"3531\" data-end=\"3562\" data-col-size=\"sm\"\u003eMinimum buffer capacity\u003c\/td\u003e  \u003ctd data-start=\"3562\" data-end=\"3572\" data-col-size=\"sm\"\u003e1300 l\u003c\/td\u003e  \u003c\/tr\u003e  \u003ctr data-start=\"3573\" data-end=\"3608\"\u003e  \u003ctd data-start=\"3573\" data-end=\"3591\" data-col-size=\"sm\"\u003epower supply\u003c\/td\u003e  \u003ctd data-start=\"3591\" data-end=\"3608\" data-col-size=\"sm\"\u003e230 V\/50 Hz\u003c\/td\u003e  \u003c\/tr\u003e  \u003ctr data-start=\"3609\" data-end=\"3651\"\u003e  \u003ctd data-start=\"3609\" data-end=\"3628\" data-col-size=\"sm\"\u003eDimensions (W x D x H)\u003c\/td\u003e  \u003ctd data-start=\"3628\" data-end=\"3651\" data-col-size=\"sm\"\u003e580 x 655 x 1335 mm\u003c\/td\u003e  \u003c\/tr\u003e  \u003c\/tbody\u003e  \u003c\/table\u003e  \u003c\/div\u003e  \u003c\/div\u003e  \u003chr data-start=\"3653\" data-end=\"3656\"\u003e  \u003ch2 data-start=\"3658\" data-end=\"3675\"\u003eScope of delivery\u003c\/h2\u003e  \u003cul data-start=\"3677\" data-end=\"3947\"\u003e  \u003cli data-start=\"3677\" data-end=\"3721\"\u003e  \u003cp data-start=\"3679\" data-end=\"3721\"\u003eDefro Firewood Plus 24 kW natural draft boiler\u003c\/p\u003e  \u003c\/li\u003e  \u003cli data-start=\"3722\" data-end=\"3752\"\u003e  \u003cp data-start=\"3724\" data-end=\"3752\"\u003eAnalog boiler thermometer\u003c\/p\u003e  \u003c\/li\u003e  \u003cli data-start=\"3753\" data-end=\"3787\"\u003e  \u003cp data-start=\"3755\" data-end=\"3787\"\u003eElectronic fire draft regulator\u003c\/p\u003e  \u003c\/li\u003e  \u003cli data-start=\"3788\" data-end=\"3821\"\u003e  \u003cp data-start=\"3790\" data-end=\"3821\"\u003eChain for the fire regulator\u003c\/p\u003e  \u003c\/li\u003e  \u003cli data-start=\"3822\" data-end=\"3843\"\u003e  \u003cp data-start=\"3824\" data-end=\"3843\"\u003eShort-circuit valve\u003c\/p\u003e  \u003c\/li\u003e  \u003cli data-start=\"3844\" data-end=\"3870\"\u003e  \u003cp data-start=\"3846\" data-end=\"3870\"\u003eVertical grate insert\u003c\/p\u003e  \u003c\/li\u003e  \u003cli data-start=\"3871\" data-end=\"3887\"\u003e  \u003cp data-start=\"3873\" data-end=\"3887\"\u003eWirbulators\u003c\/p\u003e  \u003c\/li\u003e  \u003cli data-start=\"3888\" data-end=\"3910\"\u003e  \u003cp data-start=\"3890\" data-end=\"3910\"\u003eCleaning tool\u003c\/p\u003e  \u003c\/li\u003e  \u003cli data-start=\"3911\" data-end=\"3947\"\u003e  \u003cp data-start=\"3913\" data-end=\"3947\"\u003eOperating and assembly instructions\u003c\/p\u003e  \u003c\/li\u003e  \u003c\/ul\u003e  \u003chr data-start=\"3949\" data-end=\"3952\"\u003e  \u003ch2 data-start=\"3954\" data-end=\"3989\"\u003eAssembly \u0026amp; Safety instructions\u003c\/h2\u003e  \u003cp data-start=\"3991\" data-end=\"4095\"\u003eInstallation and commissioning must only be carried out by a qualified specialist company.\u003c\/p\u003e  \u003cp data-start=\"4097\" data-end=\"4324\"\u003eTo ensure efficient and low-emission operation, a buffer storage tank with a capacity of at least 1300 liters must be provided. The applicable national regulations regarding the exhaust system and hydraulic integration must be observed.\u003c\/p\u003e  \u003chr data-start=\"4326\" data-end=\"4329\"\u003e  \u003ch2 data-start=\"4331\" data-end=\"4339\"\u003eFAQ\u003c\/h2\u003e  \u003cp data-start=\"4341\" data-end=\"4488\"\u003e\u003cstrong data-start=\"4341\" data-end=\"4398\"\u003e1. For which buildings is the 24 kW version suitable?\u003c\/strong\u003e\u003cbr data-start=\"4398\" data-end=\"4401\"\u003eFor larger single-family homes, multi-family homes or buildings with higher heating requirements.\u003c\/p\u003e  \u003cp data-start=\"4490\" data-end=\"4608\"\u003e\u003cstrong data-start=\"4490\" data-end=\"4533\"\u003e2. What log length is suitable?\u003c\/strong\u003e\u003cbr data-start=\"4533\" data-end=\"4536\"\u003eFor the 24 kW version, the recommended log length is 330–390 mm.\u003c\/p\u003e  \u003cp data-start=\"4610\" data-end=\"4764\"\u003e\u003cstrong data-start=\"4610\" data-end=\"4669\"\u003e3. Is operation in a closed heating system possible?\u003c\/strong\u003e\u003cbr data-start=\"4669\" data-end=\"4672\"\u003eYes, the integrated safety heat exchanger allows operation in a closed system.\u003c\/p\u003e  \u003cp data-start=\"4766\" data-end=\"4861\"\u003e\u003cstrong data-start=\"4766\" data-end=\"4806\"\u003e4. Is a buffer storage tank required?\u003c\/strong\u003e\u003cbr data-start=\"4806\" data-end=\"4809\"\u003eYes, the recommended minimum capacity is 1300 liters.\u003c\/p\u003e  \u003cp data-start=\"4863\" data-end=\"5009\"\u003e\u003cstrong data-start=\"4863\" data-end=\"4915\"\u003e5. Can an induced draft fan be connected?\u003c\/strong\u003e\u003cbr data-start=\"4915\" data-end=\"4918\"\u003eYes, an optional induced draft fan can be controlled via the electronic control system.\u003c\/p\u003e  \u003cp data-start=\"5011\" data-end=\"5106\"\u003e\u003cstrong data-start=\"5011\" data-end=\"5058\"\u003e6. What type of power supply is required?\u003c\/strong\u003e\u003cbr data-start=\"5058\" data-end=\"5061\"\u003e230 V\/50 Hz for electronic control.\u003c\/p\u003e  \u003chr data-start=\"5108\" data-end=\"5111\"\u003e  \u003ch2 data-start=\"5113\" data-end=\"5123\"\u003eConclusion\u003c\/h2\u003e  \u003cp data-start=\"5125\" data-end=\"5341\"\u003eThe Defro Firewood Plus 24 kW is a powerful natural draft boiler with high efficiency and robust construction. A reliable solution for economical heating with logs when heat demand is higher.\u003c\/p\u003e","brand":"Defro","offers":[{"title":"Default Title","offer_id":49417986146652,"sku":"DFW24","price":2797.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0757\/7796\/6428\/files\/defro-firewood-plus-24-kw-naturzugkessel-kompakt-effizient-robust-5704745.webp?v=1770692600"},{"product_id":"rojek-ktp25-naturzugkessel-scheitholzkessel-25kw","title":"Natural draft boiler ROJEK KTP 25 log boiler 25 kW","description":"\u003ch2\u003eROJEK KTP 25 natural draft boiler for logs – 25 kW\u003c\/h2\u003e    \u003cp\u003e The \u003cstrong\u003eROJEK KTP 25\u003c\/strong\u003e is a hand-fed \u003cstrong\u003eNatural draft boiler for firewood\u003c\/strong\u003e With a nominal output of 25 kW, the boiler operates without a fan, relying solely on natural chimney draft, and is suitable for the reliable heat supply of single-family homes, agricultural buildings, or small commercial units. \u003c\/p\u003e    \u003cp\u003e Important: The boiler is sometimes referred to as a wood gasifier. Technically, however, it is a classic wood gasifier. \u003cstrong\u003eLog-fired natural draft boiler\u003c\/strong\u003e.  Combustion occurs via natural chimney draft and is mechanically controlled by air dampers and a thermostatic draft regulator. This means the KTP 25 uses simple, robust, and durable heating technology. \u003c\/p\u003e    \u003ch3\u003eHighlights\u003c\/h3\u003e    \u003cul\u003e  \u003cli\u003e⭐ Natural draft boiler for firewood without combustion fan\u003c\/li\u003e  \u003cli\u003e⭐ 25 kW heating output for residential buildings and smaller commercial properties\u003c\/li\u003e  \u003cli\u003e⭐ Robust welded steel construction\u003c\/li\u003e  \u003cli\u003e⭐ Thermostatic draft regulator for automatic power control\u003c\/li\u003e  \u003cli\u003e⭐ EN 303-5 certified solid fuel boiler\u003c\/li\u003e  \u003c\/ul\u003e    \u003ch2\u003eArea of ​​application \u0026amp; Target audience\u003c\/h2\u003e    \u003cp\u003e The ROJEK KTP 25 is suitable for buildings with medium heating requirements. Typical applications include: \u003c\/p\u003e    \u003cul\u003e  \u003cli\u003eSingle-family homes and larger residential buildings\u003c\/li\u003e  \u003cli\u003eWorkshops and agricultural buildings\u003c\/li\u003e  \u003cli\u003eRenovation projects with existing chimney systems\u003c\/li\u003e  \u003cli\u003eWood heating systems in combination with buffer storage\u003c\/li\u003e  \u003c\/ul\u003e    \u003cp\u003e Natural, untreated firewood is used as fuel. A maximum wood moisture content of 20% is recommended for efficient combustion. \u003c\/p\u003e    \u003ch2\u003eEveryday benefits\u003c\/h2\u003e    \u003cp\u003e Thanks to the simple natural draft principle, the boiler operates without complex electronics or fan technology. This makes the heating technology particularly robust, durable, and low-maintenance. \u003c\/p\u003e    \u003cp\u003e The generous combustion chamber allows for longer burning times and reduces the number of refueling intervals in daily heating operation. \u003c\/p\u003e    \u003ch2\u003eTechnology \u0026amp; equipment\u003c\/h2\u003e    \u003cp\u003e The boiler consists of a robust welded steel construction with a water-cooled grate. Combustion takes place via natural draft through the chimney. \u003c\/p\u003e    \u003cul\u003e  \u003cli\u003eadjustable primary and secondary air\u003c\/li\u003e  \u003cli\u003ethermostatic draft regulator RT3\u003c\/li\u003e  \u003cli\u003eintegrated pressure gauge and thermometer\u003c\/li\u003e  \u003cli\u003eIntegrated after-cooling loop for overheating protection\u003c\/li\u003e  \u003cli\u003eConnection flow\/return G 2\"\u003c\/li\u003e  \u003c\/ul\u003e    \u003cp\u003e The recommended chimney draft is approximately 8–12 Pa. \u003c\/p\u003e    \u003ch2\u003eEfficiency \u0026amp; Environment\u003c\/h2\u003e    \u003cp\u003e The boiler meets the requirements of the European standard. \u003cstrong\u003eEN 303-5\u003c\/strong\u003e for solid fuel boilers. \u003c\/p\u003e    \u003cul\u003e  \u003cli\u003eEfficiency: approx. 75%\u003c\/li\u003e  \u003cli\u003eEnergy efficiency class: A+\u003c\/li\u003e  \u003cli\u003eExhaust gas temperature at rated power: approx. 220–300 °C\u003c\/li\u003e  \u003c\/ul\u003e    \u003cp\u003e The use of a buffer storage system is recommended for efficient and low-emission operation. \u003c\/p\u003e    \u003ch2\u003eTechnical data\u003c\/h2\u003e    \u003ctable\u003e  \u003ctr\u003e  \u003ctd\u003eManufacturer\u003c\/td\u003e  \u003ctd\u003eROJEK\u003c\/td\u003e  \u003c\/tr\u003e  \u003ctr\u003e  \u003ctd\u003eModel\u003c\/td\u003e  \u003ctd\u003eKTP 25\u003c\/td\u003e  \u003c\/tr\u003e  \u003ctr\u003e  \u003ctd\u003eBoiler type\u003c\/td\u003e  \u003ctd\u003eLog-fired natural draft boiler\u003c\/td\u003e  \u003c\/tr\u003e  \u003ctr\u003e  \u003ctd\u003eRated power\u003c\/td\u003e  \u003ctd\u003e25 kW\u003c\/td\u003e  \u003c\/tr\u003e  \u003ctr\u003e  \u003ctd\u003eMinimum performance\u003c\/td\u003e  \u003ctd\u003e15 kW\u003c\/td\u003e  \u003c\/tr\u003e  \u003ctr\u003e  \u003ctd\u003ecombustion chamber volume\u003c\/td\u003e  \u003ctd\u003e61.6 liters\u003c\/td\u003e  \u003c\/tr\u003e  \u003ctr\u003e  \u003ctd\u003eWater volume\u003c\/td\u003e  \u003ctd\u003e109 liters\u003c\/td\u003e  \u003c\/tr\u003e  \u003ctr\u003e  \u003ctd\u003eMax. log length\u003c\/td\u003e  \u003ctd\u003e43 cm\u003c\/td\u003e  \u003c\/tr\u003e  \u003ctr\u003e  \u003ctd\u003eFlue pipe diameter\u003c\/td\u003e  \u003ctd\u003e159 mm\u003c\/td\u003e  \u003c\/tr\u003e  \u003ctr\u003e  \u003ctd\u003eMax. operating pressure\u003c\/td\u003e  \u003ctd\u003e2 bar\u003c\/td\u003e  \u003c\/tr\u003e  \u003ctr\u003e  \u003ctd\u003eMax.Operating temperature\u003c\/td\u003e  \u003ctd\u003e90 °C\u003c\/td\u003e  \u003c\/tr\u003e  \u003ctr\u003e  \u003ctd\u003eWeight\u003c\/td\u003e  \u003ctd\u003e301 kg\u003c\/td\u003e  \u003c\/tr\u003e  \u003ctr\u003e  \u003ctd\u003eEnergy efficiency class\u003c\/td\u003e  \u003ctd\u003eA+\u003c\/td\u003e  \u003c\/tr\u003e  \u003c\/table\u003e    \u003ch2\u003eScope of delivery\u003c\/h2\u003e    \u003cul\u003e  \u003cli\u003eROJEK KTP 25 boiler\u003c\/li\u003e  \u003cli\u003eOperating instructions\u003c\/li\u003e  \u003cli\u003eThermostatic pull regulator RT3 with chain\u003c\/li\u003e  \u003cli\u003eHeating system outlet valve 1\/2\"\u003c\/li\u003e  \u003cli\u003eSide ceramics\u003c\/li\u003e  \u003cli\u003ealignment screws\u003c\/li\u003e  \u003c\/ul\u003e    \u003ch2\u003eAssembly and safety instructions\u003c\/h2\u003e    \u003cp\u003e Installation must be carried out by a qualified heating contractor. A safety group and a correctly installed after-cooling loop are required. \u003c\/p\u003e    \u003cp\u003e Only dry firewood may be used as fuel. The use of liquid fuels for kindling is not permitted. \u003c\/p\u003e    \u003ch2\u003eFAQ\u003c\/h2\u003e    \u003cdetails\u003e  \u003csummary\u003e\u003cstrong\u003eIs the ROJEK KTP 25 a wood gasifier?\u003c\/strong\u003e\u003c\/summary\u003e  \u003cp\u003eNo. The KTP 25 operates as a classic natural draft boiler for logs and not according to the wood gasification principle.\u003c\/p\u003e  \u003c\/details\u003e    \u003cdetails\u003e  \u003csummary\u003e\u003cstrong\u003eDoes the boiler require electricity?\u003c\/strong\u003e\u003c\/summary\u003e  \u003cp\u003eNot for the boiler operation itself. Electricity is only needed for the heating circulation pump.\u003c\/p\u003e  \u003c\/details\u003e    \u003cdetails\u003e  \u003csummary\u003e\u003cstrong\u003eWhat length of wood can be used?\u003c\/strong\u003e\u003c\/summary\u003e  \u003cp\u003eThe maximum log length is approximately 43 cm.\u003c\/p\u003e  \u003c\/details\u003e    \u003cdetails\u003e  \u003csummary\u003e\u003cstrong\u003eIs a buffer storage tank necessary?\u003c\/strong\u003e\u003c\/summary\u003e  \u003cp\u003eNot technically required, but recommended for efficient operation.\u003c\/p\u003e  \u003c\/details\u003e    \u003cdetails\u003e  \u003csummary\u003e\u003cstrong\u003eWhat chimney draft is required?\u003c\/strong\u003e\u003c\/summary\u003e  \u003cp\u003eThe recommended chimney draft is between 8 and 12 Pascals.\u003c\/p\u003e  \u003c\/details\u003e    \u003cdetails\u003e  \u003csummary\u003e\u003cstrong\u003eWhat is the optimal wood moisture content?\u003c\/strong\u003e\u003c\/summary\u003e  \u003cp\u003eA residual moisture content between 12% and 20% is recommended.\u003c\/p\u003e  \u003c\/details\u003e    \u003cdiv class=\"cross-sell\"\u003e  \u003ch3\u003eSuitable system components\u003c\/h3\u003e  \u003cul\u003e  \u003cli\u003e\u003ca href=\"https:\/\/gemashop.de\/collections\/pufferspeicher\"\u003eBuffer storage tanks for wood-fired heating systems\u003c\/a\u003e\u003c\/li\u003e  \u003cli\u003e\u003ca href=\"https:\/\/gemashop.de\/collections\/laddomat-ruecklaufanhebung\"\u003eReturn flow increase\/Laddomat\u003c\/a\u003e\u003c\/li\u003e  \u003cli\u003e\u003ca href=\"https:\/\/gemashop.de\/collections\/sicherheitsgruppen-heizung\"\u003eSafety groups for heating systems\u003c\/a\u003e\u003c\/li\u003e  \u003cli\u003e\u003ca href=\"https:\/\/gemashop.de\/collections\/heizungsregler\"\u003eHeating controllers and controls\u003c\/a\u003e\u003c\/li\u003e  \u003c\/ul\u003e  \u003c\/div\u003e","brand":"Rojek","offers":[{"title":"left \/ vertical","offer_id":49592188535132,"sku":"RKTP25TLRV","price":2798.0,"currency_code":"EUR","in_stock":true},{"title":"left \/ horizontal","offer_id":49592188567900,"sku":"RKTP25TLRH","price":2798.0,"currency_code":"EUR","in_stock":true},{"title":"right \/ horizontal","offer_id":49592188633436,"sku":"RKTP25TRRH","price":2798.0,"currency_code":"EUR","in_stock":true},{"title":"right \/ vertical","offer_id":49592188600668,"sku":"RKTP25TRRV","price":2798.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0757\/7796\/6428\/files\/vergaserkessel-rojek-ktp-25-kw-holzvergaser-vielseitig-effizient-7489643.webp?v=1770693389"},{"product_id":"rojek-ktp30-naturzugkessel-scheitholzkessel-30kw","title":"Natural draft boiler ROJEK KTP 30 log boiler 30 kW","description":"\u003ch2\u003eROJEK KTP 30 natural draft boiler for logs – 30 kW\u003c\/h2\u003e    \u003cp\u003e The \u003cstrong\u003eROJEK KTP 30\u003c\/strong\u003e is a hand-fed \u003cstrong\u003eNatural draft boiler for firewood\u003c\/strong\u003e With a nominal output of 30 kW, the boiler operates without a fan, relying solely on natural chimney draft, and is suitable for the reliable heat supply of larger single-family homes, agricultural buildings, or smaller commercial units. \u003c\/p\u003e    \u003cp\u003e Important: The KTP 30 is sometimes incorrectly referred to as a wood gasifier. Technically, however, it is a classic [engine\/gasifier]. \u003cstrong\u003eLog-fired natural draft boiler\u003c\/strong\u003e.  Combustion takes place without fan assistance via the natural chimney draft and is mechanically controlled via air dampers and a thermostatic draft regulator. \u003c\/p\u003e    \u003ch3\u003eHighlights\u003c\/h3\u003e    \u003cul\u003e  \u003cli\u003e⭐ Natural draft boiler for firewood without a blower\u003c\/li\u003e  \u003cli\u003e⭐ 30 kW heating output for larger residential and commercial buildings\u003c\/li\u003e  \u003cli\u003e⭐ Robust welded steel construction\u003c\/li\u003e  \u003cli\u003e⭐ Thermostatic draft regulator for power control\u003c\/li\u003e  \u003cli\u003e⭐ EN 303-5 certified solid fuel boiler\u003c\/li\u003e  \u003c\/ul\u003e    \u003ch2\u003eArea of ​​application \u0026amp; Target audience\u003c\/h2\u003e    \u003cp\u003e The ROJEK KTP 30 is designed for buildings with higher heating requirements. Typical applications include: \u003c\/p\u003e    \u003cul\u003e  \u003cli\u003eSingle-family homes with larger living space\u003c\/li\u003e  \u003cli\u003eMulti-family houses with moderate heating requirements\u003c\/li\u003e  \u003cli\u003eWorkshops and agricultural buildings\u003c\/li\u003e  \u003cli\u003eHeating systems with buffer storage\u003c\/li\u003e  \u003c\/ul\u003e    \u003cp\u003e Natural, untreated firewood is used as fuel. A maximum wood moisture content of 20% is recommended for efficient combustion. \u003c\/p\u003e    \u003ch2\u003eEveryday benefits\u003c\/h2\u003e    \u003cp\u003e Natural draft operation enables a particularly robust and durable heating technology without complex electronics. Since no combustion fan is required, maintenance is significantly reduced. \u003c\/p\u003e    \u003cp\u003e The large combustion chamber allows for longer burning times and reduces the number of refueling intervals in daily heating operation. \u003c\/p\u003e    \u003ch2\u003eTechnology \u0026amp; equipment\u003c\/h2\u003e    \u003cp\u003e The boiler consists of a robust welded steel construction with a water-cooled grate. Combustion takes place via natural draft through the chimney. \u003c\/p\u003e    \u003cul\u003e  \u003cli\u003eadjustable primary and secondary air\u003c\/li\u003e  \u003cli\u003ethermostatic draft regulator RT3\u003c\/li\u003e  \u003cli\u003eintegrated pressure gauge and thermometer\u003c\/li\u003e  \u003cli\u003eIntegrated after-cooling loop for overheating protection\u003c\/li\u003e  \u003cli\u003eConnection flow\/return G 2\"\u003c\/li\u003e  \u003c\/ul\u003e    \u003cp\u003e The required chimney draft is approximately 8–12 Pa. \u003c\/p\u003e    \u003ch2\u003eEfficiency \u0026amp; Environment\u003c\/h2\u003e    \u003cp\u003e The boiler meets the requirements of the European standard. \u003cstrong\u003eEN 303-5\u003c\/strong\u003e for solid fuel boilers. \u003c\/p\u003e    \u003cul\u003e  \u003cli\u003eEfficiency: approx. 75%\u003c\/li\u003e  \u003cli\u003eEnergy efficiency class: A+\u003c\/li\u003e  \u003cli\u003eExhaust gas temperature at rated power: approx. 220–300 °C\u003c\/li\u003e  \u003c\/ul\u003e    \u003cp\u003e For efficient and low-emission operation, the use of a buffer storage system is recommended. \u003c\/p\u003e    \u003ch2\u003eTechnical data\u003c\/h2\u003e    \u003ctable\u003e  \u003ctr\u003e  \u003ctd\u003eManufacturer\u003c\/td\u003e  \u003ctd\u003eROJEK\u003c\/td\u003e  \u003c\/tr\u003e  \u003ctr\u003e  \u003ctd\u003eModel\u003c\/td\u003e  \u003ctd\u003eKTP 30\u003c\/td\u003e  \u003c\/tr\u003e  \u003ctr\u003e  \u003ctd\u003eBoiler type\u003c\/td\u003e  \u003ctd\u003eLog-fired natural draft boiler\u003c\/td\u003e  \u003c\/tr\u003e  \u003ctr\u003e  \u003ctd\u003eRated power\u003c\/td\u003e  \u003ctd\u003e30 kW\u003c\/td\u003e  \u003c\/tr\u003e  \u003ctr\u003e  \u003ctd\u003eMinimum performance\u003c\/td\u003e  \u003ctd\u003e18 kW\u003c\/td\u003e  \u003c\/tr\u003e  \u003ctr\u003e  \u003ctd\u003ecombustion chamber volume\u003c\/td\u003e  \u003ctd\u003e75.3 liters\u003c\/td\u003e  \u003c\/tr\u003e  \u003ctr\u003e  \u003ctd\u003eWater volume\u003c\/td\u003e  \u003ctd\u003e120 liters\u003c\/td\u003e  \u003c\/tr\u003e  \u003ctr\u003e  \u003ctd\u003eMax. log length\u003c\/td\u003e  \u003ctd\u003e53 cm\u003c\/td\u003e  \u003c\/tr\u003e  \u003ctr\u003e  \u003ctd\u003eFlue pipe diameter\u003c\/td\u003e  \u003ctd\u003e159 mm\u003c\/td\u003e  \u003c\/tr\u003e  \u003ctr\u003e  \u003ctd\u003eMax. operating pressure\u003c\/td\u003e  \u003ctd\u003e2 bar\u003c\/td\u003e  \u003c\/tr\u003e  \u003ctr\u003e  \u003ctd\u003eMax.Operating temperature\u003c\/td\u003e  \u003ctd\u003e90 °C\u003c\/td\u003e  \u003c\/tr\u003e  \u003ctr\u003e  \u003ctd\u003eWeight\u003c\/td\u003e  \u003ctd\u003e341 kg\u003c\/td\u003e  \u003c\/tr\u003e  \u003ctr\u003e  \u003ctd\u003eEnergy efficiency class\u003c\/td\u003e  \u003ctd\u003eA+\u003c\/td\u003e  \u003c\/tr\u003e  \u003c\/table\u003e    \u003ch2\u003eScope of delivery\u003c\/h2\u003e    \u003cul\u003e  \u003cli\u003eROJEK KTP 30 boiler\u003c\/li\u003e  \u003cli\u003eOperating instructions\u003c\/li\u003e  \u003cli\u003eThermostatic pull regulator RT3 with chain\u003c\/li\u003e  \u003cli\u003eHeating system outlet valve 1\/2\"\u003c\/li\u003e  \u003cli\u003eSide ceramics\u003c\/li\u003e  \u003cli\u003ealignment screws\u003c\/li\u003e  \u003c\/ul\u003e    \u003ch2\u003eAssembly and safety instructions\u003c\/h2\u003e    \u003cp\u003e Installation must be carried out by a qualified heating contractor. A safety group and a correctly installed after-cooling loop are required. \u003c\/p\u003e    \u003cp\u003e Only dry firewood may be used as fuel. The use of liquid fuels for kindling is not permitted. \u003c\/p\u003e    \u003ch2\u003eFAQ\u003c\/h2\u003e    \u003cdetails\u003e  \u003csummary\u003e\u003cstrong\u003eIs the ROJEK KTP 30 a wood gasifier?\u003c\/strong\u003e\u003c\/summary\u003e  \u003cp\u003eNo. The KTP 30 operates as a classic natural draft boiler for logs and not according to the wood gasification principle.\u003c\/p\u003e  \u003c\/details\u003e    \u003cdetails\u003e  \u003csummary\u003e\u003cstrong\u003eDoes the boiler require electricity?\u003c\/strong\u003e\u003c\/summary\u003e  \u003cp\u003eNot for the boiler operation itself. Electricity is only needed for the heating circulation pump.\u003c\/p\u003e  \u003c\/details\u003e    \u003cdetails\u003e  \u003csummary\u003e\u003cstrong\u003eWhat length of wood can be used?\u003c\/strong\u003e\u003c\/summary\u003e  \u003cp\u003eThe maximum log length is approximately 53 cm.\u003c\/p\u003e  \u003c\/details\u003e    \u003cdetails\u003e  \u003csummary\u003e\u003cstrong\u003eIs a buffer storage tank necessary?\u003c\/strong\u003e\u003c\/summary\u003e  \u003cp\u003eNot technically required, but recommended for efficient operation.\u003c\/p\u003e  \u003c\/details\u003e    \u003cdetails\u003e  \u003csummary\u003e\u003cstrong\u003eWhat chimney draft is required?\u003c\/strong\u003e\u003c\/summary\u003e  \u003cp\u003eThe recommended chimney draft is between 8 and 12 Pascals.\u003c\/p\u003e  \u003c\/details\u003e    \u003cdetails\u003e  \u003csummary\u003e\u003cstrong\u003eWhat is the optimal wood moisture content?\u003c\/strong\u003e\u003c\/summary\u003e  \u003cp\u003eA residual moisture content between 12% and 20% is recommended.\u003c\/p\u003e  \u003c\/details\u003e    \u003cdiv class=\"cross-sell\"\u003e  \u003ch3\u003eSuitable system components\u003c\/h3\u003e  \u003cul\u003e  \u003cli\u003e\u003ca href=\"https:\/\/gemashop.de\/collections\/pufferspeicher\"\u003eBuffer storage tanks for wood-fired heating systems\u003c\/a\u003e\u003c\/li\u003e  \u003cli\u003e\u003ca href=\"https:\/\/gemashop.de\/collections\/laddomat-ruecklaufanhebung\"\u003eReturn flow increase\/Laddomat\u003c\/a\u003e\u003c\/li\u003e  \u003cli\u003e\u003ca href=\"https:\/\/gemashop.de\/collections\/sicherheitsgruppen-heizung\"\u003eSafety groups for heating systems\u003c\/a\u003e\u003c\/li\u003e  \u003cli\u003e\u003ca href=\"https:\/\/gemashop.de\/collections\/heizungsregler\"\u003eHeating controllers and controls\u003c\/a\u003e\u003c\/li\u003e  \u003c\/ul\u003e  \u003c\/div\u003e","brand":"Rojek","offers":[{"title":"left \/ horizontal","offer_id":49592255316316,"sku":"RKTP30TLRH","price":2889.0,"currency_code":"EUR","in_stock":true},{"title":"left \/ vertical","offer_id":49592255283548,"sku":"RKTP30TLRV","price":2889.0,"currency_code":"EUR","in_stock":true},{"title":"right \/ horizontal","offer_id":49592255381852,"sku":"RKTP30TRRH","price":2889.0,"currency_code":"EUR","in_stock":true},{"title":"right \/ vertical","offer_id":49592255349084,"sku":"RKTP30TRRV","price":2889.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0757\/7796\/6428\/files\/vergaserkessel-rojek-ktp-30-kw-effizient-fur-holz-und-braunkohle-5796299.webp?v=1770692663"},{"product_id":"mpm-wood-plus-26-holzvergaserkessel-26-kw","title":"MPM Wood Plus 26 wood gasification boiler 26 kW","description":"\u003cp data-start=\"899\" data-end=\"1188\"\u003eThe \u003cstrong data-start=\"903\" data-end=\"923\"\u003eMPM Wood Plus 26\u003c\/strong\u003e This is a modern wood gasification boiler with a nominal output of 26 kW for logs. It meets the requirements of class 5 according to PN-EN 303-5 as well as the Ecodesign Directive and achieves energy efficiency class A+. Ideal for single-family homes with a buffer storage tank.\u003c\/p\u003e  \u003chr data-start=\"1190\" data-end=\"1193\"\u003e  \u003ch1 data-start=\"1195\" data-end=\"1220\"\u003eHighlights\/Advantages\u003c\/h1\u003e  \u003cp data-start=\"1222\" data-end=\"1574\"\u003e⭐ 26 kW nominal power – ideal for single-family homes and commercial units\u003cbr data-start=\"1295\" data-end=\"1298\"\u003e⭐ 5th grade \u0026amp; Ecodesign – low emissions and high environmental compatibility\u003cbr data-start=\"1374\" data-end=\"1377\"\u003e⭐ Energy efficiency class A+ (EEI 116) – economical operation\u003cbr data-start=\"1441\" data-end=\"1444\"\u003e⭐ Large loading chamber (~120 dm³) – long burning time up to approx. 6 hours\u003cbr data-start=\"1515\" data-end=\"1518\"\u003e⭐ Operation possible in an open or closed system\u003c\/p\u003e  \u003chr data-start=\"1576\" data-end=\"1579\"\u003e  \u003ch1 data-start=\"1581\" data-end=\"1610\"\u003eDetailed description\u003c\/h1\u003e  \u003ch2 data-start=\"1612\" data-end=\"1644\"\u003eArea of ​​application \u0026amp; Target audience\u003c\/h2\u003e  \u003cp data-start=\"1646\" data-end=\"1892\"\u003eThe MPM Wood Plus 26 is a \u003cstrong data-start=\"1675\" data-end=\"1708\"\u003elog wood gasification boiler\u003c\/strong\u003e For use in open or closed heating systems according to PN-EN 12828. It is suitable for single-family homes, smaller apartment buildings, workshops and commercial units.\u003c\/p\u003e  \u003cp data-start=\"1894\" data-end=\"2034\"\u003eThe operation is exclusively with a \u003cstrong data-start=\"1935\" data-end=\"1980\"\u003eBuffer storage tank of at least 1000 liters\u003c\/strong\u003e prescribed.\u003c\/p\u003e  \u003chr data-start=\"2036\" data-end=\"2039\"\u003e  \u003ch2 data-start=\"2041\" data-end=\"2064\"\u003eEveryday benefits\u003c\/h2\u003e  \u003cp data-start=\"2066\" data-end=\"2283\"\u003eThe wood gasification principle involves combustion in two separate chambers – degassing of the wood and subsequent clean afterburning in the ceramic combustion chamber.\u003c\/p\u003e  \u003cp data-start=\"2285\" data-end=\"2300\"\u003eThe result:\u003c\/p\u003e  \u003cul data-start=\"2301\" data-end=\"2415\"\u003e  \u003cli data-start=\"2301\" data-end=\"2328\"\u003e  \u003cp data-start=\"2303\" data-end=\"2328\"\u003ehigh operational reliability\u003c\/p\u003e  \u003c\/li\u003e  \u003cli data-start=\"2329\" data-end=\"2352\"\u003e  \u003cp data-start=\"2331\" data-end=\"2352\"\u003estable combustion\u003c\/p\u003e  \u003c\/li\u003e  \u003cli data-start=\"2353\" data-end=\"2376\"\u003e  \u003cp data-start=\"2355\" data-end=\"2376\"\u003elow emissions\u003c\/p\u003e  \u003c\/li\u003e  \u003cli data-start=\"2377\" data-end=\"2415\"\u003e  \u003cp data-start=\"2379\" data-end=\"2415\"\u003elong burning time of approximately 6 hours\u003c\/p\u003e  \u003c\/li\u003e  \u003c\/ul\u003e  \u003cp data-start=\"2417\" data-end=\"2522\"\u003eThe large loading chamber (~120 dm³) allows for comfortable log lengths and reduces refueling intervals.\u003c\/p\u003e  \u003chr data-start=\"2524\" data-end=\"2527\"\u003e  \u003ch2 data-start=\"2529\" data-end=\"2555\"\u003eTechnology \u0026amp; equipment\u003c\/h2\u003e  \u003cp data-start=\"2557\" data-end=\"2631\"\u003eThe boiler is manufactured as a welded steel construction and features:\u003c\/p\u003e  \u003cul data-start=\"2633\" data-end=\"2826\"\u003e  \u003cli data-start=\"2633\" data-end=\"2657\"\u003e  \u003cp data-start=\"2635\" data-end=\"2657\"\u003emovable cast iron grate\u003c\/p\u003e  \u003c\/li\u003e  \u003cli data-start=\"2658\" data-end=\"2681\"\u003e  \u003cp data-start=\"2660\" data-end=\"2681\"\u003eceramic burner\u003c\/p\u003e  \u003c\/li\u003e  \u003cli data-start=\"2682\" data-end=\"2740\"\u003e  \u003cp data-start=\"2684\" data-end=\"2740\"\u003evertical heat exchanger channels with turbulence unit\u003c\/p\u003e  \u003c\/li\u003e  \u003cli data-start=\"2741\" data-end=\"2767\"\u003e  \u003cp data-start=\"2743\" data-end=\"2767\"\u003emechanical train regulator\u003c\/p\u003e  \u003c\/li\u003e  \u003cli data-start=\"2768\" data-end=\"2792\"\u003e  \u003cp data-start=\"2770\" data-end=\"2792\"\u003eSecondary air control\u003c\/p\u003e  \u003c\/li\u003e  \u003cli data-start=\"2793\" data-end=\"2826\"\u003e  \u003cp data-start=\"2795\" data-end=\"2826\"\u003eThermometer in the upper area\u003c\/p\u003e  \u003c\/li\u003e  \u003c\/ul\u003e  \u003cp data-start=\"2828\" data-end=\"2944\"\u003eManual loading is done with firewood (moisture content ≤25%).\u003c\/p\u003e  \u003cp data-start=\"2946\" data-end=\"3100\"\u003eRecommended operating temperature: 60–90 °C \u003cbr\u003eMinimum return temperature: 55 °C\u003c\/p\u003e  \u003chr data-start=\"3102\" data-end=\"3105\"\u003e  \u003ch2 data-start=\"3107\" data-end=\"3130\"\u003eEfficiency \u0026amp; Environment\u003c\/h2\u003e  \u003cp data-start=\"3132\" data-end=\"3294\"\u003eThe MPM Wood Plus 26 meets the \u003cstrong data-start=\"3165\" data-end=\"3204\"\u003eEcodesign Regulation (EU) 2015\/1189\u003c\/strong\u003e as well as the \u003cstrong data-start=\"3215\" data-end=\"3253\"\u003e5th grade according to PN-EN 303-5:2021-09.\u003c\/strong\u003e\u003c\/p\u003e  \u003cp data-start=\"3296\" data-end=\"3484\"\u003eSeasonal energy efficiency: 79%\u003c\/p\u003e  \u003cp data-start=\"3296\" data-end=\"3484\"\u003eEnergy efficiency class: A+\u003c\/p\u003e  \u003cp data-start=\"3296\" data-end=\"3484\"\u003eEEI: 116\u003c\/p\u003e  \u003cp data-start=\"3486\" data-end=\"3516\"\u003eEmissions at rated power:\u003c\/p\u003e  \u003cul data-start=\"3517\" data-end=\"3626\"\u003e  \u003cli data-start=\"3517\" data-end=\"3533\"\u003e  \u003cp data-start=\"3519\" data-end=\"3533\"\u003ePM: 15 mg\/m³\u003c\/p\u003e  \u003c\/li\u003e  \u003cli data-start=\"3534\" data-end=\"3551\"\u003e  \u003cp data-start=\"3536\" data-end=\"3551\"\u003eOGC: 10 mg\/m³\u003c\/p\u003e  \u003c\/li\u003e  \u003cli data-start=\"3552\" data-end=\"3569\"\u003e  \u003cp data-start=\"3554\" data-end=\"3569\"\u003eCO: 398 mg\/m³\u003c\/p\u003e  \u003c\/li\u003e  \u003cli data-start=\"3570\" data-end=\"3626\"\u003e  \u003cp data-start=\"3572\" data-end=\"3626\"\u003eNOx: 142 mg\/m³\u003c\/p\u003e  \u003c\/li\u003e  \u003c\/ul\u003e  \u003cp data-start=\"3628\" data-end=\"3711\"\u003eThis means the boiler meets the current requirements for modern biomass heating systems.\u003c\/p\u003e  \u003chr data-start=\"3713\" data-end=\"3716\"\u003e  \u003ch2 data-start=\"3718\" data-end=\"3757\"\u003ecompatibility \u0026amp; System integration\u003c\/h2\u003e  \u003cp data-start=\"3759\" data-end=\"3866\"\u003eIt can be operated in both open and closed heating systems.\u003c\/p\u003e  \u003cp data-start=\"3868\" data-end=\"4029\"\u003eMaximum operating pressure: 1.5 bar \u003c\/p\u003e  \u003cp data-start=\"3868\" data-end=\"4029\"\u003eRequired chimney draft: approx. 0.30 mbar\u003c\/p\u003e  \u003cp data-start=\"4031\" data-end=\"4133\"\u003eFor continuous operation, a return flow boost (e.g., a 3- or 4-way mixing valve) is recommended.\u003c\/p\u003e  \u003chr data-start=\"4135\" data-end=\"4138\"\u003e  \u003ch1 data-start=\"4140\" data-end=\"4158\"\u003eTechnical data\u003c\/h1\u003e  \u003cdiv class=\"TyagGW_tableContainer\"\u003e  \u003cdiv class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\"\u003e  \u003ctable data-start=\"4160\" data-end=\"5061\" class=\"w-fit min-w-(--thread-content-width)\"\u003e  \u003cthead data-start=\"4160\" data-end=\"4178\"\u003e  \u003ctr data-start=\"4160\" data-end=\"4178\"\u003e  \u003cth data-start=\"4160\" data-end=\"4170\" data-col-size=\"md\" class=\"\"\u003efeature\u003c\/th\u003e  \u003cth data-start=\"4170\" data-end=\"4178\" data-col-size=\"sm\" class=\"\"\u003eValue\u003c\/th\u003e  \u003c\/tr\u003e  \u003c\/thead\u003e  \u003ctbody data-start=\"4199\" data-end=\"5061\"\u003e  \u003ctr data-start=\"4199\" data-end=\"4241\"\u003e  \u003ctd data-start=\"4199\" data-end=\"4212\" data-col-size=\"md\"\u003eManufacturer\u003c\/td\u003e  \u003ctd data-start=\"4212\" data-end=\"4241\" data-col-size=\"sm\"\u003eMPM Project Marcin Nykiel\u003c\/td\u003e  \u003c\/tr\u003e  \u003ctr data-start=\"4242\" data-end=\"4267\"\u003e  \u003ctd data-start=\"4242\" data-end=\"4251\" data-col-size=\"md\"\u003eModel\u003c\/td\u003e  \u003ctd data-start=\"4251\" data-end=\"4267\" data-col-size=\"sm\"\u003eWood Plus 26\u003c\/td\u003e  \u003c\/tr\u003e  \u003ctr data-start=\"4268\" data-end=\"4303\"\u003e  \u003ctd data-start=\"4268\" data-end=\"4281\" data-col-size=\"md\"\u003eProduct type\u003c\/td\u003e  \u003ctd data-start=\"4281\" data-end=\"4303\" data-col-size=\"sm\"\u003ewood gasification boiler\u003c\/td\u003e  \u003c\/tr\u003e  \u003ctr data-start=\"4304\" data-end=\"4332\"\u003e  \u003ctd data-start=\"4304\" data-end=\"4323\" data-col-size=\"md\"\u003eNominal heating output\u003c\/td\u003e  \u003ctd data-start=\"4323\" data-end=\"4332\" data-col-size=\"sm\"\u003e26 kW\u003c\/td\u003e  \u003c\/tr\u003e  \u003ctr data-start=\"4333\" data-end=\"4364\"\u003e  \u003ctd data-start=\"4333\" data-end=\"4358\" data-col-size=\"md\"\u003eEnergy efficiency class\u003c\/td\u003e  \u003ctd data-start=\"4358\" data-end=\"4364\" data-col-size=\"sm\"\u003eA+\u003c\/td\u003e  \u003c\/tr\u003e  \u003ctr data-start=\"4365\" data-end=\"4402\"\u003e  \u003ctd data-start=\"4365\" data-end=\"4395\" data-col-size=\"md\"\u003eEnergy Efficiency Index (EEI)\u003c\/td\u003e  \u003ctd data-start=\"4395\" data-end=\"4402\" data-col-size=\"sm\"\u003e116\u003c\/td\u003e  \u003c\/tr\u003e  \u003ctr data-start=\"4403\" data-end=\"4440\"\u003e  \u003ctd data-start=\"4403\" data-end=\"4432\" data-col-size=\"md\"\u003eSeasonal energy efficiency\u003c\/td\u003e  \u003ctd data-start=\"4432\" data-end=\"4440\" data-col-size=\"sm\"\u003e79%\u003c\/td\u003e  \u003c\/tr\u003e  \u003ctr data-start=\"4441\" data-end=\"4491\"\u003e  \u003ctd data-start=\"4441\" data-end=\"4456\" data-col-size=\"md\"\u003eboiler class\u003c\/td\u003e  \u003ctd data-col-size=\"sm\" data-start=\"4456\" data-end=\"4491\"\u003e5th class (PN-EN 303-5:2021-09)\u003c\/td\u003e  \u003c\/tr\u003e  \u003ctr data-start=\"4492\" data-end=\"4546\"\u003e  \u003ctd data-start=\"4492\" data-end=\"4536\" data-col-size=\"md\"\u003eThermal efficiency at rated power\u003c\/td\u003e  \u003ctd data-col-size=\"sm\" data-start=\"4536\" data-end=\"4546\"\u003e82.3%\u003c\/td\u003e  \u003c\/tr\u003e  \u003ctr data-start=\"4547\" data-end=\"4570\"\u003e  \u003ctd data-start=\"4547\" data-end=\"4560\" data-col-size=\"md\"\u003eheating surface\u003c\/td\u003e  \u003ctd data-col-size=\"sm\" data-start=\"4560\" data-end=\"4570\"\u003e2.9 m²\u003c\/td\u003e  \u003c\/tr\u003e  \u003ctr data-start=\"4571\" data-end=\"4597\"\u003e  \u003ctd data-start=\"4571\" data-end=\"4587\" data-col-size=\"md\"\u003eWater volume\u003c\/td\u003e  \u003ctd data-col-size=\"sm\" data-start=\"4587\" data-end=\"4597\"\u003e94 dm³\u003c\/td\u003e  \u003c\/tr\u003e  \u003ctr data-start=\"4598\" data-end=\"4633\"\u003e  \u003ctd data-start=\"4598\" data-end=\"4618\" data-col-size=\"md\"\u003eLoading chamber volume\u003c\/td\u003e  \u003ctd data-col-size=\"sm\" data-start=\"4618\" data-end=\"4633\"\u003eapprox. 120 dm³\u003c\/td\u003e  \u003c\/tr\u003e  \u003ctr data-start=\"4634\" data-end=\"4658\"\u003e  \u003ctd data-start=\"4634\" data-end=\"4647\" data-col-size=\"md\"\u003eBurning time\u003c\/td\u003e  \u003ctd data-col-size=\"sm\" data-start=\"4647\" data-end=\"4658\"\u003eapprox. 6 h\u003c\/td\u003e  \u003c\/tr\u003e  \u003ctr data-start=\"4659\" data-end=\"4691\"\u003e  \u003ctd data-start=\"4659\" data-end=\"4681\" data-col-size=\"md\"\u003eFuel consumption\u003c\/td\u003e  \u003ctd data-col-size=\"sm\" data-start=\"4681\" data-end=\"4691\"\u003e7 kg\/h\u003c\/td\u003e  \u003c\/tr\u003e  \u003ctr data-start=\"4692\" data-end=\"4724\"\u003e  \u003ctd data-start=\"4692\" data-end=\"4710\" data-col-size=\"md\"\u003eExhaust gas temperature\u003c\/td\u003e  \u003ctd data-col-size=\"sm\" data-start=\"4710\" data-end=\"4724\"\u003e125–140 °C\u003c\/td\u003e  \u003c\/tr\u003e  \u003ctr data-start=\"4725\" data-end=\"4754\"\u003e  \u003ctd data-start=\"4725\" data-end=\"4744\" data-col-size=\"md\"\u003eExhaust gas mass flow\u003c\/td\u003e  \u003ctd data-col-size=\"sm\" data-start=\"4744\" data-end=\"4754\"\u003e15 g\/s\u003c\/td\u003e  \u003c\/tr\u003e  \u003ctr data-start=\"4755\" data-end=\"4787\"\u003e  \u003ctd data-start=\"4755\" data-end=\"4776\" data-col-size=\"md\"\u003eMax. operating pressure\u003c\/td\u003e  \u003ctd data-col-size=\"sm\" data-start=\"4776\" data-end=\"4787\"\u003e1.5 bar\u003c\/td\u003e  \u003c\/tr\u003e  \u003ctr data-start=\"4788\" data-end=\"4821\"\u003e  \u003ctd data-start=\"4788\" data-end=\"4809\" data-col-size=\"md\"\u003eOperating temperature\u003c\/td\u003e  \u003ctd data-col-size=\"sm\" data-start=\"4809\" data-end=\"4821\"\u003e60–90 °C\u003c\/td\u003e  \u003c\/tr\u003e  \u003ctr data-start=\"4822\" data-end=\"4861\"\u003e  \u003ctd data-start=\"4822\" data-end=\"4852\" data-col-size=\"md\"\u003eMinimum return temperature\u003c\/td\u003e  \u003ctd data-col-size=\"sm\" data-start=\"4852\" data-end=\"4861\"\u003e55 °C\u003c\/td\u003e  \u003c\/tr\u003e  \u003ctr data-start=\"4862\" data-end=\"4880\"\u003e  \u003ctd data-start=\"4862\" data-end=\"4869\" data-col-size=\"md\"\u003eHeight\u003c\/td\u003e  \u003ctd data-col-size=\"sm\" data-start=\"4869\" data-end=\"4880\"\u003e1183 mm\u003c\/td\u003e  \u003c\/tr\u003e  \u003ctr data-start=\"4881\" data-end=\"4908\"\u003e  \u003ctd data-start=\"4881\" data-end=\"4898\" data-col-size=\"md\"\u003eWide cases\u003c\/td\u003e  \u003ctd data-col-size=\"sm\" data-start=\"4898\" data-end=\"4908\"\u003e600 mm\u003c\/td\u003e  \u003c\/tr\u003e  \u003ctr data-start=\"4909\" data-end=\"4934\"\u003e  \u003ctd data-start=\"4909\" data-end=\"4924\" data-col-size=\"md\"\u003eTotal width\u003c\/td\u003e  \u003ctd data-col-size=\"sm\" data-start=\"4924\" data-end=\"4934\"\u003e655 mm\u003c\/td\u003e  \u003c\/tr\u003e  \u003ctr data-start=\"4935\" data-end=\"4960\"\u003e  \u003ctd data-start=\"4935\" data-end=\"4949\" data-col-size=\"md\"\u003eTotal length\u003c\/td\u003e  \u003ctd data-col-size=\"sm\" data-start=\"4949\" data-end=\"4960\"\u003e1220 mm\u003c\/td\u003e  \u003c\/tr\u003e  \u003ctr data-start=\"4961\" data-end=\"4985\"\u003e  \u003ctd data-start=\"4961\" data-end=\"4971\" data-col-size=\"md\"\u003eWeight\u003c\/td\u003e  \u003ctd data-start=\"4971\" data-end=\"4985\" data-col-size=\"sm\"\u003eapprox. 450 kg\u003c\/td\u003e  \u003c\/tr\u003e  \u003ctr data-start=\"4986\" data-end=\"5021\"\u003e  \u003ctd data-start=\"4986\" data-end=\"5012\" data-col-size=\"md\"\u003eConnection flow\/return\u003c\/td\u003e  \u003ctd data-start=\"5012\" data-end=\"5021\" data-col-size=\"sm\"\u003e40 mm\u003c\/td\u003e  \u003c\/tr\u003e  \u003ctr data-start=\"5022\" data-end=\"5061\"\u003e  \u003ctd data-start=\"5022\" data-end=\"5047\" data-col-size=\"md\"\u003eMinimum buffer storage\u003c\/td\u003e  \u003ctd data-start=\"5047\" data-end=\"5061\" data-col-size=\"sm\"\u003e1000 liters\u003c\/td\u003e  \u003c\/tr\u003e  \u003c\/tbody\u003e  \u003c\/table\u003e  \u003c\/div\u003e  \u003c\/div\u003e  \u003chr data-start=\"5063\" data-end=\"5066\"\u003e  \u003ch1 data-start=\"5068\" data-end=\"5084\"\u003eScope of delivery\u003c\/h1\u003e  \u003cul data-start=\"5086\" data-end=\"5188\"\u003e  \u003cli data-start=\"5086\" data-end=\"5125\"\u003e  \u003cp data-start=\"5088\" data-end=\"5125\"\u003eMPM Wood Plus 26 wood gasification boiler\u003c\/p\u003e  \u003c\/li\u003e  \u003cli data-start=\"5126\" data-end=\"5149\"\u003e  \u003cp data-start=\"5128\" data-end=\"5149\"\u003eUser manual\u003c\/p\u003e  \u003c\/li\u003e  \u003cli data-start=\"5150\" data-end=\"5170\"\u003e  \u003cp data-start=\"5152\" data-end=\"5170\"\u003eAssembly instructions\u003c\/p\u003e  \u003c\/li\u003e  \u003cli data-start=\"5171\" data-end=\"5188\"\u003e  \u003cp data-start=\"5173\" data-end=\"5188\"\u003eWarranty card\u003c\/p\u003e  \u003c\/li\u003e  \u003c\/ul\u003e  \u003chr data-start=\"5190\" data-end=\"5193\"\u003e  \u003ch1 data-start=\"5195\" data-end=\"5219\"\u003eAccessories\/Recommendation\u003c\/h1\u003e  \u003cp data-start=\"5221\" data-end=\"5263\"\u003eFor optimal operation, we recommend:\u003c\/p\u003e  \u003cul data-start=\"5265\" data-end=\"5473\"\u003e  \u003cli data-start=\"5265\" data-end=\"5296\"\u003e  \u003cp data-start=\"5267\" data-end=\"5296\"\u003eBuffer storage tank ≥ 1000 liters\u003c\/p\u003e  \u003c\/li\u003e  \u003cli data-start=\"5297\" data-end=\"5349\"\u003e  \u003cp data-start=\"5299\" data-end=\"5349\"\u003eThermal mixing valve (return temperature increase 55 °C)\u003c\/p\u003e  \u003c\/li\u003e  \u003cli data-start=\"5350\" data-end=\"5388\"\u003e  \u003cp data-start=\"5352\" data-end=\"5388\"\u003eSafety group with DBV-1 valve\u003c\/p\u003e  \u003c\/li\u003e  \u003cli data-start=\"5389\" data-end=\"5425\"\u003e  \u003cp data-start=\"5391\" data-end=\"5425\"\u003eDraft regulator for the chimney\u003c\/p\u003e  \u003c\/li\u003e  \u003cli data-start=\"5426\" data-end=\"5473\"\u003e  \u003cp data-start=\"5428\" data-end=\"5473\"\u003eSuitable stratified storage tank for domestic hot water\u003c\/p\u003e  \u003c\/li\u003e  \u003c\/ul\u003e  \u003cp data-start=\"5475\" data-end=\"5598\"\u003eYou can find suitable products in the section \u003cstrong data-start=\"5515\" data-end=\"5533\"\u003eBuffer storage\u003c\/strong\u003e, \u003cstrong data-start=\"5535\" data-end=\"5557\"\u003eSecurity groups\u003c\/strong\u003e and \u003cstrong data-start=\"5562\" data-end=\"5581\"\u003eHeating accessories\u003c\/strong\u003e on gemashop.de.\u003c\/p\u003e  \u003chr data-start=\"5600\" data-end=\"5603\"\u003e  \u003ch1 data-start=\"5605\" data-end=\"5639\"\u003eAssembly \u0026amp; Safety instructions\u003c\/h1\u003e  \u003cp data-start=\"5641\" data-end=\"5728\"\u003eInstallation must be carried out exclusively by a qualified specialist company.\u003c\/p\u003e  \u003cp data-start=\"5730\" data-end=\"5830\"\u003eThe boiler must be operated with a buffer storage tank.\u003c\/p\u003e  \u003cp data-start=\"5832\" data-end=\"5982\"\u003eThe return temperature must not fall below 55 °C, otherwise corrosion damage and loss of warranty are likely.\u003c\/p\u003e  \u003chr data-start=\"5984\" data-end=\"5987\"\u003e  \u003ch1 data-start=\"5989\" data-end=\"5996\"\u003eFAQ\u003c\/h1\u003e  \u003cp data-start=\"5998\" data-end=\"6136\"\u003e\u003cstrong data-start=\"5998\" data-end=\"6071\"\u003e1. What type of fuel can the MPM Wood Plus 26 be operated with?\u003c\/strong\u003e\u003cbr data-start=\"6071\" data-end=\"6074\"\u003eUsing firewood (hardwood) with a moisture content ≤25%.\u003c\/p\u003e  \u003cp data-start=\"6138\" data-end=\"6230\"\u003e\u003cstrong data-start=\"6138\" data-end=\"6181\"\u003e2. Is a buffer storage tank required?\u003c\/strong\u003e\u003cbr data-start=\"6181\" data-end=\"6184\"\u003eYes, at least 1000 liters are required.\u003c\/p\u003e  \u003cp data-start=\"6232\" data-end=\"6310\"\u003e\u003cstrong data-start=\"6232\" data-end=\"6282\"\u003e3. What efficiency class does the boiler achieve?\u003c\/strong\u003e\u003cbr data-start=\"6282\" data-end=\"6285\"\u003eA+ with an EEI of 116.\u003c\/p\u003e  \u003cp data-start=\"6312\" data-end=\"6443\"\u003e\u003cstrong data-start=\"6312\" data-end=\"6367\"\u003e4. Is operation in a closed system permitted?\u003c\/strong\u003e\u003cbr data-start=\"6367\" data-end=\"6370\"\u003eYes, if professionally installed with a safety valve and thermal insulation.\u003c\/p\u003e  \u003cp data-start=\"6445\" data-end=\"6523\"\u003e\u003cstrong data-start=\"6445\" data-end=\"6503\"\u003e5. What is the minimum return temperature required?\u003c\/strong\u003e\u003cbr data-start=\"6503\" data-end=\"6506\"\u003eAt least 55 °C.\u003c\/p\u003e  \u003cp data-start=\"6525\" data-end=\"6629\"\u003e\u003cstrong data-start=\"6525\" data-end=\"6574\"\u003e6. What emission class does the boiler meet?\u003c\/strong\u003e\u003cbr data-start=\"6574\" data-end=\"6577\"\u003eClass 5 according to PN-EN 303-5:2021-09 and Ecodesign.\u003c\/p\u003e  \u003chr data-start=\"6631\" data-end=\"6634\"\u003e  \u003ch1 data-start=\"6636\" data-end=\"6645\"\u003eConclusion\u003c\/h1\u003e  \u003cp data-start=\"6647\" data-end=\"6926\"\u003eThe \u003cstrong data-start=\"6651\" data-end=\"6690\"\u003eMPM Wood Plus 26 wood gasification boiler\u003c\/strong\u003e This is a technically sophisticated, efficient, and ecodesign-compliant solution for modern log-fired heating systems with buffer storage. Ideal for discerning users who value efficiency, emission levels, and durable construction.\u003c\/p\u003e  \u003cp data-start=\"6928\" data-end=\"6974\"\u003eOrder now and heat efficiently with wood.\u003c\/p\u003e","brand":"MPM","offers":[{"title":"Default Title","offer_id":54128565092700,"sku":"MPMWP26","price":3199.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0757\/7796\/6428\/files\/mpm-wood-plus-26-kw-holzvergaserkessel-a-klasse-5-o178-2082115.webp?v=1770692503"},{"product_id":"mpm-caldo-s-i-25-kw-holzvergaserkessel-a-ecodesign-klasse-5","title":"MPM Caldo S-I 25 kW wood gasification boiler A+ (Ecodesign, class 5)","description":"\u003ch2 data-end=\"2466\" data-start=\"2444\"\u003eMPM Caldo SI 25 kW\u003c\/h2\u003e  \u003ch3 data-end=\"2536\" data-start=\"2511\"\u003eProduct description\u003c\/h3\u003e  \u003cp data-end=\"2863\" data-start=\"2537\"\u003eThe MPM Caldo SI 25 kW is a wood gasification boiler for logs with ceramic afterburner. Its design promotes efficient combustion with low emissions and is intended for operation with a buffer tank and return temperature boost – ideal for larger single-family homes or boiler rooms with higher heat output requirements.\u003c\/p\u003e  \u003ch3 data-end=\"2881\" data-start=\"2865\"\u003eHighlights\u003c\/h3\u003e  \u003cul\u003e  \u003cli data-end=\"2933\" data-start=\"2884\"\u003eEcodesign \u0026amp; Class 5, energy efficiency class A+\u003c\/li\u003e  \u003cli data-end=\"2997\" data-start=\"2936\"\u003eLogs up to 50 cm, large loading chamber 110 dm³ (approx. 40 kg)\u003c\/li\u003e  \u003cli data-end=\"3052\" data-start=\"3000\"\u003eCooling coil including BVTS valve (overheating protection)\u003c\/li\u003e  \u003cli data-end=\"3104\" data-start=\"3055\"\u003eRequirement: Operation with buffer storage \u003cstrong data-end=\"3104\" data-start=\"3091\"\u003efrom 1000 l\u003c\/strong\u003e  \u003c\/li\u003e  \u003c\/ul\u003e  \u003ch3 data-end=\"3129\" data-start=\"3106\"\u003eAreas of application\u003c\/h3\u003e  \u003cul\u003e  \u003cli data-end=\"3387\" data-start=\"3130\"\u003e  \u003cstrong data-end=\"3147\" data-start=\"3130\"\u003eSuitable for:\u003c\/strong\u003e  \u003cul\u003e  \u003cli data-end=\"3387\" data-start=\"3130\"\u003elarger single-family homes,\u003c\/li\u003e  \u003cli data-end=\"3387\" data-start=\"3130\"\u003eWorkshop\/small business;\u003c\/li\u003e  \u003cli\u003eSystems with buffer storage and return temperature boost.\u003c\/li\u003e  \u003c\/ul\u003e  \u003c\/li\u003e  \u003cli\u003e  \u003cstrong data-end=\"3276\" data-start=\"3253\"\u003eNot suitable for:\u003c\/strong\u003e  \u003cul\u003e  \u003cli data-end=\"3387\" data-start=\"3130\"\u003eOperation without buffer storage\/return temperature boost;\u003c\/li\u003e  \u003cli data-end=\"3387\" data-start=\"3130\"\u003ewet wood (moisture) \u0026gt; 25%);\u003c\/li\u003e  \u003cli data-end=\"3387\" data-start=\"3130\"\u003efuels other than firewood.\u003c\/li\u003e  \u003c\/ul\u003e  \u003c\/li\u003e  \u003c\/ul\u003e  \u003ch3 data-end=\"3435\" data-start=\"3389\"\u003eTechnical data\u003c\/h3\u003e  \u003cul\u003e  \u003cli data-end=\"3464\" data-start=\"3438\"\u003eNominal heat output: 25 kW\u003c\/li\u003e  \u003cli data-end=\"3519\" data-start=\"3467\"\u003eEfficiency: 91.2%; seasonal efficiency ηs: 80%\u003c\/li\u003e  \u003cli data-end=\"3630\" data-start=\"3522\"\u003eExhaust\/chimney: \u003cul\u003e  \u003cli data-end=\"3630\" data-start=\"3522\"\u003eExhaust gas temperature 130 °C;\u003c\/li\u003e  \u003cli data-end=\"3630\" data-start=\"3522\"\u003eFlue pipe Ø178 mm;\u003c\/li\u003e  \u003cli data-end=\"3630\" data-start=\"3522\"\u003eTension 0.12–0.20 mbar;\u003c\/li\u003e  \u003cli data-end=\"3630\" data-start=\"3522\"\u003eMinimum chimney height: 7 m\u003c\/li\u003e  \u003c\/ul\u003e  \u003c\/li\u003e  \u003cli data-end=\"3741\" data-start=\"3633\"\u003eHydraulics: \u003cul\u003e  \u003cli data-end=\"3741\" data-start=\"3633\"\u003eBoiler water capacity 85 dm³;\u003c\/li\u003e  \u003cli data-end=\"3741\" data-start=\"3633\"\u003eMaximum operating pressure 3 bar;\u003c\/li\u003e  \u003cli data-end=\"3741\" data-start=\"3633\"\u003eMaximum temperature 90 °C;\u003c\/li\u003e  \u003cli data-end=\"3741\" data-start=\"3633\"\u003eReturn temperature min. 55 °C\u003c\/li\u003e  \u003c\/ul\u003e  \u003c\/li\u003e  \u003cli data-end=\"3794\" data-start=\"3744\"\u003eDimensions\/Weight: \u003cul\u003e  \u003cli data-end=\"3794\" data-start=\"3744\"\u003eapprox. 1200 × 560 × 1350 mm;\u003c\/li\u003e  \u003cli data-end=\"3794\" data-start=\"3744\"\u003eapprox. 450 kg\u003c\/li\u003e  \u003c\/ul\u003e  \u003c\/li\u003e  \u003c\/ul\u003e  \u003ch3 data-end=\"3814\" data-start=\"3796\"\u003eScope of delivery\u003c\/h3\u003e  \u003cul\u003e  \u003cli data-end=\"3905\" data-start=\"3815\"\u003eMPM Caldo SI 25 kW incl. cooling coil,\u003c\/li\u003e  \u003cli data-end=\"3905\" data-start=\"3815\"\u003eBVTS valve,\u003c\/li\u003e  \u003cli data-end=\"3905\" data-start=\"3815\"\u003eExhaust fan\u003c\/li\u003e  \u003cli data-end=\"3905\" data-start=\"3815\"\u003eUser manual.\u003c\/li\u003e  \u003c\/ul\u003e  \u003ch3 data-end=\"3918\" data-start=\"3907\"\u003eConclusion\u003c\/h3\u003e  \u003cp data-end=\"4063\" data-start=\"3919\"\u003eThe perfect choice when 25 kW heating power is required – efficient (A+), low-emission (Class 5) and ideal in combination with a buffer storage tank.\u003c\/p\u003e","brand":"MPM","offers":[{"title":"Default Title","offer_id":56649571893596,"sku":"MPMC25","price":3799.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0757\/7796\/6428\/files\/mpm-caldo-s-i-25-kw-holzvergaserkessel-a-ecodesign-klasse-5-holzvergaserkessel-2033103.webp?v=1770944052"},{"product_id":"mpm-ds-duo-24-kw-holz-kohle-kombikessel-scheitholz-amp-steinkohle","title":"MPM DS Duo 24 kW wood-coal combination boiler - logs \u0026 hard coal","description":"\u003ch2 data-start=\"2146\" data-end=\"2199\"\u003eMPM DS Duo 24 kW – Wood-coal combination boiler\u003c\/h2\u003e  \u003ch3 data-start=\"2201\" data-end=\"2523\"\u003eProduct description\u003c\/h3\u003e  \u003cp data-start=\"2201\" data-end=\"2523\"\u003eThe \u003cstrong data-start=\"2231\" data-end=\"2257\"\u003eWood-coal combination boiler\u003c\/strong\u003e The MPM DS Duo 24 is a manually fed solid fuel boiler for logs and hard coal. Its gasification principle and separate combustion chamber ensure clean, stable combustion. Thanks to its power switching (MIN\/MAX), it can also be used without a buffer tank.\u003c\/p\u003e  \u003ch3 data-start=\"2525\" data-end=\"2680\"\u003eHighlights\u003c\/h3\u003e  \u003cul\u003e  \u003cli data-start=\"2525\" data-end=\"2680\"\u003eWood \u0026amp; hard coal\u003c\/li\u003e  \u003cli data-start=\"2525\" data-end=\"2680\"\u003e5th grade + Ecodesign\u003c\/li\u003e  \u003cli data-start=\"2525\" data-end=\"2680\"\u003elarge filling door\u003c\/li\u003e  \u003cli data-start=\"2525\" data-end=\"2680\"\u003eViewing window\u003c\/li\u003e  \u003cli data-start=\"2525\" data-end=\"2680\"\u003emovable cast iron grate\u003c\/li\u003e  \u003cli data-start=\"2525\" data-end=\"2680\"\u003emechanical draft regulator incl.\u003c\/li\u003e  \u003c\/ul\u003e  \u003ch3 data-start=\"2682\" data-end=\"2886\"\u003eAreas of application\u003c\/h3\u003e  \u003cul\u003e  \u003cli data-start=\"2682\" data-end=\"2886\"\u003e  \u003cstrong data-start=\"2706\" data-end=\"2723\"\u003eSuitable for:\u003c\/strong\u003e  \u003cul\u003e  \u003cli data-start=\"2682\" data-end=\"2886\"\u003elarger single-family homes,\u003c\/li\u003e  \u003cli data-start=\"2682\" data-end=\"2886\"\u003eMulti-room heating systems,\u003c\/li\u003e  \u003cli data-start=\"2682\" data-end=\"2886\"\u003eWorkshop\/Commercial.\u003c\/li\u003e  \u003c\/ul\u003e  \u003c\/li\u003e  \u003cli data-start=\"2682\" data-end=\"2886\"\u003e  \u003cstrong data-start=\"2794\" data-end=\"2817\"\u003eNot suitable for:\u003c\/strong\u003e  \u003cul\u003e  \u003cli data-start=\"2682\" data-end=\"2886\"\u003eother fuels;\u003c\/li\u003e  \u003cli data-start=\"2682\" data-end=\"2886\"\u003eOperation without return temperature boost (return temperature ≥55 °C).\u003c\/li\u003e  \u003c\/ul\u003e  \u003c\/li\u003e  \u003c\/ul\u003e  \u003ch3 data-start=\"2888\" data-end=\"3647\"\u003eTechnical data\u003c\/h3\u003e  \u003cul\u003e  \u003cli data-start=\"2888\" data-end=\"3647\"\u003e  \u003cstrong data-start=\"2937\" data-end=\"2954\"\u003eRated power:\u003c\/strong\u003e 24 kW; \u003cstrong data-start=\"2962\" data-end=\"2974\"\u003eArea:\u003c\/strong\u003e 12–24 kW (more power reserve)\u003c\/li\u003e  \u003cli data-start=\"2888\" data-end=\"3647\"\u003e  \u003cstrong data-start=\"3012\" data-end=\"3044\"\u003eEfficiency (rated power):\u003c\/strong\u003e 90.5% wood\/90.8% coal (high utilization rate)\u003c\/li\u003e  \u003cli data-start=\"2888\" data-end=\"3647\"\u003e  \u003cstrong data-start=\"3095\" data-end=\"3116\"\u003eEnergy efficiency:\u003c\/strong\u003e A+ Wood (ηs 80%)\/B Coal (ηs 84%)\u003c\/li\u003e  \u003cli data-start=\"2888\" data-end=\"3647\"\u003e  \u003cstrong data-start=\"3157\" data-end=\"3174\"\u003eDimensions (H×W×L):\u003c\/strong\u003e 1220×525×880 mm (setup dimensions)\u003c\/li\u003e  \u003cli data-start=\"2888\" data-end=\"3647\"\u003e  \u003cstrong data-start=\"3209\" data-end=\"3226\"\u003eWater content:\u003c\/strong\u003e 73 l (system volume in the boiler)\u003c\/li\u003e  \u003cli data-start=\"2888\" data-end=\"3647\"\u003e  \u003cstrong data-start=\"3262\" data-end=\"3274\"\u003eWeight:\u003c\/strong\u003e approx. 360 kg (solid construction)\u003c\/li\u003e  \u003cli data-start=\"2888\" data-end=\"3647\"\u003e  \u003cstrong data-start=\"3311\" data-end=\"3325\"\u003eFlue pipe:\u003c\/strong\u003e Ø178 mm (exhaust connection)\u003c\/li\u003e  \u003cli data-start=\"2888\" data-end=\"3647\"\u003e  \u003cstrong data-start=\"3355\" data-end=\"3363\"\u003eTrain:\u003c\/strong\u003e 16–18 Pa (required chimney negative pressure)\u003c\/li\u003e  \u003cli data-start=\"2888\" data-end=\"3647\"\u003e  \u003cstrong data-start=\"3416\" data-end=\"3426\"\u003eChimney:\u003c\/strong\u003e min. 160×160 mm or Ø180; \u003cstrong data-start=\"3454\" data-end=\"3463\"\u003eHeight:\u003c\/strong\u003e min. 7 m (chimney requirement)\u003c\/li\u003e  \u003cli data-start=\"2888\" data-end=\"3647\"\u003e  \u003cstrong data-start=\"3502\" data-end=\"3525\"\u003eMax. operating pressure:\u003c\/strong\u003e 3 bar (system pressure)\u003c\/li\u003e  \u003cli data-start=\"2888\" data-end=\"3647\"\u003e  \u003cstrong data-start=\"3551\" data-end=\"3569\"\u003eForward\/reverse flow:\u003c\/strong\u003e 6\/4\" (Hydraulic connections)\u003c\/li\u003e  \u003cli data-start=\"2888\" data-end=\"3647\"\u003e  \u003cstrong data-start=\"3601\" data-end=\"3624\"\u003eOperating temperature:\u003c\/strong\u003e 60–90 °C (heating mode)\u003c\/li\u003e  \u003c\/ul\u003e  \u003ch3 data-start=\"3649\" data-end=\"3785\"\u003eScope of delivery\u003c\/h3\u003e  \u003cul\u003e  \u003cli data-start=\"3649\" data-end=\"3785\"\u003eBoiler, \u003c\/li\u003e  \u003cli data-start=\"3649\" data-end=\"3785\"\u003eThermometer,\u003c\/li\u003e  \u003cli data-start=\"3649\" data-end=\"3785\"\u003eTrain regulator,\u003c\/li\u003e  \u003cli data-start=\"3649\" data-end=\"3785\"\u003eDry partition wall (coal),\u003c\/li\u003e  \u003cli data-start=\"3649\" data-end=\"3785\"\u003eWood gas channels\u003c\/li\u003e  \u003cli data-start=\"3649\" data-end=\"3785\"\u003eTurbulator,\u003c\/li\u003e  \u003cli data-start=\"3649\" data-end=\"3785\"\u003eCleaning tools,\u003c\/li\u003e  \u003cli data-start=\"3649\" data-end=\"3785\"\u003eDirections.\u003c\/li\u003e  \u003c\/ul\u003e  \u003ch3\u003eConclusion\u003c\/h3\u003e  \u003cp\u003eHigh-performance \u003cstrong data-start=\"3816\" data-end=\"3842\"\u003eWood-coal combination boiler\u003c\/strong\u003e For higher heating loads – ideal if wood or coal needs to be used flexibly.\u003cstrong data-start=\"3928\" data-end=\"3958\"\u003e\u003c\/strong\u003e\u003c\/p\u003e","brand":"MPM","offers":[{"title":"Default Title","offer_id":56660054245724,"sku":"MPMDSDUO24","price":3249.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0757\/7796\/6428\/files\/mpm-ds-duo-24-kw-holz-kohle-kombikessel-scheitholz-steinkohle-7475137.png?v=1770691946"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0757\/7796\/6428\/collections\/festbrennstoffkessel-bis-30-kw-1283697.jpg?v=1770692152","url":"https:\/\/si.gemashop.de\/fi\/collections\/bis-30-kw.oembed","provider":"GEMA Shop","version":"1.0","type":"link"}