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- Caleffi 252 20mm Solar Tempering Valve with Low Loss Hot & Cold Check Valve
Caleffi 252 20mm Solar Tempering Valve with Low Loss Hot & Cold Check Valve
For use on low pressure, high temperature domestic hot water systems for improved flow
Recommended working pressure 20 – 500kPa (balanced)
Union connections with o-ring seal with low loss hot and cold check valves
Temperature range adjustable 30 – 65ºC
Temperature control +/- 2ºC
Max. operating temperature 100ºC
A minimum 20kPa dynamic system pressure is required for correct valve function excluding any system losses in pipework etc
NOT for use at the delivery output. Refer ‘Point of use tempering valves’
Solar 2521 series tempering valve with 20mm unions
Note: These solar temp valves are indent only – contact us for more info
Conditional guarantee:
5 years parts and labour
Temp Adjustment Range 30 - 65ºC
Temp Control +/- 2ºC
Max Op. Temp. 100ºC
Operating Press. Range 20 - 500kpa
Max. Inlet Press. Ratio 2:1
Max Test Press. 1400kPa
Min. flow rate 5L/min
Material DZR Brass