Watts ASME Section XIII Hot Water Pressure Relief Valve
The WATTS Pressure Relief Valve (MPN 0358553) is an ASME Section XIII hot water pressure relief valve with FNPTF x FNPTF connections, 3/4 in x 3/4 in size, constructed of iron, and rated for a maximum operating…
SKU 3G-OTH-442468
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 Pressure Relief Valve (MPN 0358553) is an ASME Section XIII hot water pressure relief valve with FNPTF x FNPTF connections, 3/4 in x 3/4 in size, constructed of iron, and rated for a maximum operating pressure of 20 psi.
Frequently Asked Questions
What is a Watts pressure relief valve used for?
A Watts pressure relief valve protects hot water systems from overpressure by automatically releasing water when pressure exceeds the set limit. It is commonly installed on water heaters, boilers, and storage tanks to prevent equipment damage and ensure safe operation in residential and commercial applications.
What are the specifications of the Watts 0358553 pressure relief valve?
The Watts 0358553 is an ASME Section XIII hot water pressure relief valve with 3/4 in FNPTF x 3/4 in FNPTF connections. It has a maximum operating pressure of 20 psi and is constructed from iron. The valve is designed for hot water systems and carries the manufacturer part number 0358553.
Where to buy Watts pressure relief valves worldwide?
3G Electric supplies Watts pressure relief valves worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your location. Contact our team to source the Watts 0358553 or other models for your project.
How to install a Watts pressure relief valve?
Install the Watts valve on the hot water system outlet or tank tapping, ensuring the FNPTF threads are sealed with appropriate pipe compound. Orient the valve vertically with the discharge port facing down. Connect a discharge pipe to a safe drain location. Never install a shutoff valve between the relief valve and the system.
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.
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Compatible alternatives & equivalents
- Watts This Watts pressure relief valve is designed for hot water systems, providing overpressure protection in accordance with ASME Section XIII. It features FNPTF x FNPTF connections, a cast iron body, and a maximum operating pressure of 75 psi. Suitable for use in hydronic heating systems and hot water storage tanks
- Watts ASME Section XIII rated hot water pressure relief valve with 2 in FNPTF inlet and 2 1/2 in FNPTF outlet. Cast iron body. Maximum operating pressure 75 psi. Used in hot water heating systems to automatically relieve excess pressure on boilers, water heaters, and storage tanks
