Caleffi 2521 40mm Solar Tempering Valve

For use on high demand, high temperature hot water systems for a flow rate between 25 and 225L/min
Recommended working pressure 100 – 500kPa (balanced)
Kv = 183L/min
Union connections with fiber washer seal, without check valves
Temperature range adjustable 35 – 65ºC
Temperature control +/- 2ºC
Max. operating temperature 100ºC
Body in dezincification resistant brass
A minimum 20kPa dynamic system pressure is required for correct valve function excluding any system losses in pipework etc.
Heavy duty high temperature solar 5231 series tempering valve with 40mm unions
Note: These solar temp valves are indent only – contact us for more info

Conditional guarantee:
5 years parts and labour