Caleffi 5231 20mm Heavy Duty Tempering Valve

Heavy duty 5231 series thermostatic tempering valve with 20mm unions
For use on high demand hot water systems with a flow rate between 10 and 92L/min
Recommended working pressure 100 – 500kPa (balanced)
Kv = 75L/min
Union connections with fibre washer seal (without check valves)
Temperature range adjustable 35 – 65°C
Temperature control +/- 2°C
Max. operating temperature 90°C
Body in dezincification resistant brass
Note: A minimum 20kPa dynamic system pressure is required for correct valve function excluding any system losses in pipework etc.

Conditional guarantee:
5 years parts and labour