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The Caleffi 533550H 3-way pressure reduction valve features a pressure adjustment range of 100-600kPa with a factory setting at 500kPa
allowing for easy maintenances and services
AVG BFU25Q15C Pump Connection Kit consists of 2 Adapters/Unions that are a popular meter coupling for Grundfos pump
Chrome Plated Finish
Pressure Rating: 90kPa
AVG PTR15-700-LF 15mm 700kPa PTR / TPR Pressure Temperature Relief Valve Check Valve The Caleffi 533550H 3-way pressureOverview Australian Valve Group (AVG) PTR15 700 LF 15mm (1 2") 700kPa PTR Pressure and Temperature Relief Valve (also known as TPR valve) is cross compatible with other popular makes such as Reliance HT55 PTR valve with same fitments and functions. During the hot water services' heating cycles, the volume of water will expand as the temperature increases. This volume expansion creates excessive pressure inside the water cylinder and must be regulated.