Product Description
The Watts 274428 Relief Valve is a critical safety component in hot water heating and domestic supply boiler systems. This valve is designed to protect against excessive pressure in various hot water heating applications. It features a robust bronze body with NPT threaded female inlet and outlet connections.
- Standard pressure setting at thirty psi.
- Pressure range adjustable in five psi increments, from thirty to one hundred fifty psi.
- Resists corrosion, sticking, and freezing.
Product Highlights
Designed for emergency safety relief, the Watts 274428 should not be used as an operating control. This valve prevents water and sediment from trapping in the seat, ensuring reliable performance.
Product Information
Standard Information
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Manufacturer: Watts
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MPN: 274428
Technical Specifications
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Construction: Bronze body
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Inlet/Outlet type: NPT threaded female
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Pressure setting: 30 psi (206.9 kPa)
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Pressure range: 30 to 150 psi (2 to 10 bar)
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BTU/hr ratings: 650,000 to 14,370,000
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Test lever: Yes
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Spring material: Stainless steel
