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Ships within 48 hours · Estimated delivery Aug 8 - Aug 13
441mm external thread diameter (Refer to the BSP sizing chart in the photo gallery)
Thread Size Physical Measurements: 26
Package Weight: 840g
During the hot water services' heating cycles
offering minimal pressure drop during water pump operation and long lasting seal even in continuous high temperature environments
AVG PTR15-850-LF 15mm 850kPa PTR Pressure Temperature Relief Valve Flare Fitting 441mm external thread diameter (ReferOverview Australian Valve Group (AVG) PTR15 850 LF 15mm (1 2") 850kPa 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.
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