ESBE Thermostatic Mixing Valve

Product detailed description

- type VTA322 and VTA522 - male thread - for domestic hot water in a buffer tank with a storage cylinder and for underfloor heating /up to 50m2/ 

- anti-scald protection, the valve locks if the cold water supply is interrupted 

P0346- type VTA322- 1" M thread  /  Kvs = 1,6 / temperature range  35 - 60 °C

P0347- type VTA522- 1" M thread  /  Kvs = 3,2 / temperature range  20 - 43 °C

P0348- type VTA522 -1" M thread  /  Kvs = 3,2 / temperature range  50 - 75 °C

Technical data: 

• max. operating pressure PN10
• medium temperature: 90 °C 
• material: brass, EPDM 

Frequently Asked Questions

• How can I check that the „ESBE Thermostatic Mixing Valve“ fits my appliance exactly? The most reliable way is to compare the exact type/catalogue designation on your appliance's rating plate (boiler, storage tank, water heater) with the compatibility stated directly in this product's name (brand ESBE) and in its technical parameters above. If anything is unclear, send us the exact type designation of your appliance (including the serial number, if available) - we will be happy to verify compatibility for you.
• Why is it important to use an original/compatible part rather than a universal replacement? Parts such as seals, sensors or safety components (safety valves, thermal fuses) are generally sized precisely to the parameters of the specific appliance (pressure, temperature, sensor electrical resistance) - the wrong part can cause reduced function, leaks, or in the case of safety components, an actual safety risk.
• Does this part have to be installed by a professional? For simpler, mechanical parts (e.g. seals, covers, small accessories not connected to electricity, gas or the pressure system), a handy DIYer can usually manage the replacement after disconnecting the appliance from power and supply lines. However, for any intervention in the gas, electrical or pressure part of the appliance (e.g. sensors directly in the combustion chamber, safety valves, electrical modules), we always recommend a service technician - especially since such an intervention could affect the warranty validity of the whole appliance.
• How do I know this part is worn and needs replacing? Common signs include visible wear or cracking (for seals and rubber parts), water or flue gas leaking at the part, an error message on the control display (for sensors and electronic modules), or a clearly reduced function of the appliance (e.g. irregular combustion for burner parts). If in doubt, the safest option is to have the condition assessed by a service technician during the regular annual inspection.
• Is it worth keeping this part at home as a spare? For parts that are subject to regular wear (seals, fuses, small mechanical parts) and whose failure would mean a heating or water-heating outage, keeping a spare in reserve is reasonable prevention - especially for an older appliance for which it could be harder to get the part quickly.