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Water isolation ball valve with 20mm (3/4") Loose Nut and 20mm (3/4") Press Fitting
A standard check valve that is not solar rated will melt over time with the usual plastic internal components
The AVG ECV15-1200-LF 15mm (1/2") 1200kPa ECV expansion control valve is used to regulate the water pressure inside hot water services
2639 and meets AS4020
electric and gas storage water heaters such as Rheem
AVG PTR25-700-LF 25mm 700kPa Commercial PTR Pressure Temperature Relief Valve Chrome Plated Water isolation ball valve withOverview Australian Valve Group (AVG) PTR25 700 LF 25mm (1") 700kPa PTR Pressure and Temperature Relief Valve (also known as TPR valve) is Australian Watermark approved and intended for commercial hot water service applications, with a high kilowatt rating of 132kW. Pressure and temperature relief valves, known PTR valves are critical mechanical safety devices for all hot water services. The temperature sensing probe monitors the hot water service's