CALEFFI 533550H High Performance 20mm 3-Way Pressure Reduction Valve 100-500kPa Adjustable Pressure Control Valve Model: PTR15/850

Model: PTR15/850

50–76mm (2–3")

Pressure Setting: 350 kPa

The valve can not regulate a static pressure increase inside a water heater when the water heats up and expands

CALEFFI 533550H High Performance 20mm 3-Way Pressure Reduction Valve 100-500kPa Adjustable Pressure Control Valve Model: PTR15/850Overview The Caleffi 533550H 20mm 3 4" 3 way high performance pressure reduction valve is made in Italy and Australia Watermark approved. The "H" in the models name indicates this is a high performance version of pressure reduction valves in Caleffi ranges with a high temperature rating at 80C and a high inlet pressure rating at 2000kPa (VS standard Caleffi version at 40C and 1600kPa respectively). The valve body casting and dimensions are the same