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- 17-400 series pressure only relief valves are engineered to protect against excessive pressure buildup due to thermal expansion in hot water supply systems. Both models are CSA certified to ANSI Z21.22 “Relief Valves for Hot Water Supply Systems”. In addition the 17-402 is design certified to ASME Section IV for hot water relief.
Apollo™ Safety Relief Valve, Series: 17-400, 3/4 in Nominal, MNPTxFNPT, 100 psig, 250 deg F, Bronze Body, Silicon Seat Softgoods, 3.14 in H, Domestic
- Stainless steel spring
- Conforms to HUD/FHA requirements
- Corrosion resistant construction
- 100% factory tested
- Durable soft seat design for extended service
- Body MaterialBronzeDomestic / ImportDomesticEnd StyleMNPT x FNPTNominal Size3/4 inPressure Rating100 psiDimensions3.14 in HHeight1.25 inManufacturerApollo ConbracoManufacturer #17-402-02Series17-400Softgoods MaterialSilicon SeatTemperature Rating250 degF