Product Description
The Watts model F274428, known as the 174A series, is a reliable and efficient pressure relief valve crafted from robust bronze, ensuring durability and longevity. This valve features a 3/4 inch FNPT inlet and outlet with a non-metallic disc to metal seating arrangement designed to safeguard hot water heating and domestic supply boiler applications from excessive pressure.
- Automatic reset with a standard pressure setting of 30 psi.
- Equipped with a stainless steel spring and a test lever for ease of operation.
- Capable of handling pressure range increments from 30 to 150 psi, supporting Btu/hr ratings from 650,000 to 14,370,000.
Product Highlights
Designed specifically for use in hot water boiler systems, this valve offers both functionality and security in high-pressure conditions. It features a high temperature resisting water seal and a non-mechanical seat to disc alignment that prevents sticking or freezing.
Product Information
Standard Information
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Brand: Watts
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MPN: F274428
Technical Specifications
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Material: Bronze
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Connection Size: 3/4 in
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Connection Type: FNPT
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Pressure Rating: 30 psi
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Series: 174A
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Temperature Rating: 250 degrees Fahrenheit
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Body Dimensions: 2-3/4 in L x 4-1/2 in H
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Standards/Certifications: ASME Section IV, HV, NB, ISO 9001
