AVG-PTR15-1400-LF 15mm 1400kPa PTR/TPR Pressure Temperature Relief Valve Pressure Control Valve (Check out my store for

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AVG PTR20-700-LF 20mm (3/4") 700kPa PTR Valve with insulation jacket

Manufacturer: Grundfos

In other situations where the cross-connections contain hazardous chemicals

AVG-PTR15-1400-LF 15mm 1400kPa PTR/TPR Pressure Temperature Relief Valve Pressure Control Valve (Check out my store forOverview Australian Valve Group (AVG) PTR15 1400 LF 15mm (1 2") 1400kPa 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