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Australian Valve Group (AVG) PTRE15-1000-LF 15mm (1/2") 1000kPa PTR Pressure and Temperature Relief Valve (also known as TPR valve) with an 1" (25mm) extended brass body
Roof screws and silicon are usually applied during the installations
AVG ECV25-700-LF 25mm (1") 700kPa ECV Expansion Control Valve With Insulation
AVG TVA25HF-LF HI-FLOW commercial tempering valve has BSP 25mm 1" compression fittings at all three ends and features copper olives
AVG PTR20-1000-LF 20mm 1000kPa PTR / TPR Pressure Temperature Relief Valve Isolation Stop Australian Valve Group (AVG) PTRE15-1000-LFOverview Australian Valve Group (AVG) PTR20 1000 LF 20mm (3 4") 1000kPa 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