Watts 3/4 in x 3/4 in Bronze ASME Section XIII Hot Water
The WATTS Boiler Pressure Relief Valve (MPN F274428) is an ASME Section XIII hot water pressure relief valve in a 3/4 in x 3/4 in FNPTF x FNPTF bronze configuration, with a maximum operating pressure of 20 psi. 3G…
SKU 3G-OTH-442456
Also listed as: F 274428 · F-274428
Local availability & support — Singapore
- Local office
- 20 Woodlands Link #09-05, Singapore 738733
- Phone
- +65 8878 8355
- Delivery
- Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
- Payment
- Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
- Ships to
- Singapore
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Product Description
The WATTS Boiler Pressure Relief Valve (MPN F274428) is an ASME Section XIII hot water pressure relief valve in a 3/4 in x 3/4 in FNPTF x FNPTF bronze configuration, with a maximum operating pressure of 20 psi. 3G Electric interprets this demand and delivers the genuine WATTS valve, backed by our specialist depth in controls across 14 industrial departments.
Frequently Asked Questions
What is a Watts boiler pressure relief valve used for?
A Watts boiler pressure relief valve protects hot-water heating systems from overpressure. It automatically opens when system pressure exceeds 20 psi, discharging water to prevent boiler damage or rupture. These ASME Section XIII valves are essential for residential and commercial hydronic heating safety.
What are the specifications of the Watts F274428 pressure relief valve?
The Watts F274428 is a 3/4 in FNPTF x 3/4 in FNPTF bronze boiler pressure relief valve with a maximum operating pressure of 20 psi. It is ASME Section XIII rated for hot-water service. The bronze body resists corrosion, and the FNPTF connections allow direct threading into standard boiler fittings.
Where to buy Watts pressure relief valves worldwide?
3G Electric supplies Watts pressure relief valves worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on the Watts F274428 or other ASME-rated relief valves. We source and deliver to any country.
How to install a Watts boiler pressure relief valve?
Install the Watts valve with the sensing element immersed in the boiler top or side tapping. Use pipe dope on the FNPTF threads, tighten to 25-35 ft-lb, and route the discharge pipe downward to a safe drain. Never cap or plug the outlet. Test operation after installation by lifting the manual lever.
Used in
Common applications for WattsWatts Products
3G Electric supplies Watts asme section xiii hot water pressure relief valves. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
