25 (1") P & T Relief Valve

Australian Valve Group

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The pressure and temperature relief valve PTR-25 is a safety valve designed to be fitted to a water heater to safely control the water expansion within the water heater during the heating cycle. Water will drip from the PTR drain line during the heating cycle at a rate of 3-6% of the water heater volume.


  • Designed and manufactured to meet Australian Standard AS1357.1, under Licence No. 2639 and meets AS4020, Drinkable Water Standard
  • Each valve is individually tested and calibrated to ensure that it meets the correct pressure specification
  • The valve is designed to automatically reseat after each action
  • Drain outlet RP 25mm
  • Suitable for either horizontal or vertical installation
  • Manufactured under Quality Assurance ISO 9001and ISO 9002 (UK).
  • Kilowatt rating 132 Kw


SKU PTR25700
Brand AVG
Shipping Weight 0.0100kg
Shipping Width 0.010m
Shipping Height 0.010m
Shipping Length 0.010m
Shipping Cubic 0.010000000m3
Unit Of Measure Each

24 month warranty

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