Domestic hot water mixer LK 551 HydroMix 1" external thread

2025-04-16T12:31:22+02:00

Vendor: LK
Type: Hydromix
Price: 69.00 - 89.00 (2 variants)

HydroMix domestic hot water mixer with check valves

The LK 551 Hydro Mix is ​​an asymmetric mixing valve for hot water preparation as a domestic hot water mixer. and for heating systems. The LK 551 domestic hot water mixer. It has a thermal insert for regulating the hot water temperature. It regulates both the hot and cold water supply to achieve the desired temperature. The valve has a scald protection feature that interrupts the flow of hot water if the cold water supply fails. The domestic hot water mixer Requires no maintenance. Check the installation regularly.

The desired hot water temperature is set within the control range using the valve wheel. The protective cap prevents unintentional changes to the temperature setting. When installing on a boiler/storage tank with an integrated water heater, a gap should be left between the valve and the boiler/storage tank to prevent the valve's function from being impaired by heat radiation.

The arrow on the valve body indicates the direction of flow.
C = inflowing cold water
H = incoming hot water
M = outgoing hot water

Technical specifications HydroMix:

Operating temperature: Min. 5 °C/Max. 65 °C

Flow rate Kvs: 1.6 m³/h or 3.5 m³/h

Hot water temperature: Min. 35 °C/Max. 65 °C

Max. working pressure: 1.0 MPa (10 bar)

Liquid 1: Water - Glycol max. 50% Ethanol max. 30%

Thread standard: G - External thread

Material, casing: Brass EN 12165 CW617N, DZR brass, EN 12165 CW625N

Miscellaneous: Temperature stability ±3 °C

Application area

Application of biomass

Application of solar technology

Application: Hot water preparation

Heat pump application

Application of water-bearing fireplace

Application of district heating

Download

Product data sheet

User manual

certificate