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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™, 1740201, Safety Relief Valve, Series: 17-400, 3/4 in Nominal, MNPT x FNPT End Style, 75 psig Pressure, 250 deg F, Bronze Body, Stainless Steel Trim, Silicon Seat Softgoods, 3.14 in H Dimensions, Domestic
- Corrosion resistant construction
- 100% factory tested
- Durable soft seat design for extended service
- Body MaterialBronzeDomestic / ImportDomesticEnd StyleMNPT x FNPTNominal Size3/4 inDimensions3.14 in HManufacturerAalberts Integrated Piping SystemsManufacturer #1740201Pressure Range75 psigSeries17-400Softgoods MaterialSilicon SeatTemperature Rating250 deg FTrim MaterialStainless Steel