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614mm external male/internal female thread (refer to the BSP vs Physical measurement table chart in the photo gallery)
yet without the dangers of burning
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
The AUSTWORLD (AW) W32FLF Watermark Female Lever Handle 32MM Ball Valve is a dual-approved for gas and water applications
Roof screws and silicon are usually applied during the installations
AVG PTR20-1000-LF 20mm 1000kPa PTR / TPR Pressure Temperature Relief Valve Isolation Stop 614mm external male/internal female threadOverview 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