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Watts ASME Section XIII Hot Water Pressure Relief Valve - ASME Section XIII Hot Water Pressure Relief Valves
WattsASME Section XIII Hot Water Pressure Relief Valves

Watts ASME Section XIII Hot Water Pressure Relief Valve

The WATTS Boiler Pressure Relief Valve (MPN F383484) is an ASME Section XIII hot water pressure relief valve with FNPTF x FNPTF connections, sized 1 1/4 in x 1 1/2 in in iron, with an overall height of 8 3/4 in. 3G…

SKU 3G-OTH-442514

Also listed as: F 383484 · F-383484

Brand
Watts
Item
ASME Section XIII Hot Water Pressure Relief Valve
Category
ASME Section XIII Hot Water Pressure Relief Valves
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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

Technical Specifications

Watts
Manufacturer Part Number
F383484
Type
1 1/4 in x 1 1/2 in, Iron
Overall Ht
8 3/4 in

Technical Documents

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Watts Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The WATTS Boiler Pressure Relief Valve (MPN F383484) is an ASME Section XIII hot water pressure relief valve with FNPTF x FNPTF connections, sized 1 1/4 in x 1 1/2 in in iron, with an overall height of 8 3/4 in. 3G Electric sources this genuine OEM part across 14 industrial departments, with specialist depth in combustion and controls to support your system's safety compliance.

Frequently Asked Questions

What is the Watts boiler pressure relief valve used for?

The Watts boiler pressure relief valve is used to protect hot water boilers and heating systems from overpressure. It automatically opens to discharge water when pressure exceeds safe limits, preventing equipment damage. Common in commercial and industrial hydronic systems.

What are the specifications of the Watts F383484 pressure relief valve?

The Watts F383484 is an ASME Section XIII hot water pressure relief valve with FNPTF x FNPTF connections, 1 1/4 in x 1 1/2 in size, iron body, and 8 3/4 in overall height. It is designed for boiler overpressure protection and carries the Watts brand.

Where to buy the Watts F383484 pressure relief valve worldwide?

3G Electric supplies the Watts F383484 pressure relief valve worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time.

How to install a Watts boiler pressure relief valve?

Install the Watts valve in the boiler outlet or hot water line, ensuring the discharge pipe is directed to a safe drain. Use thread sealant on FNPTF connections and tighten to manufacturer torque specs. Never cap or block the discharge opening. Test operation after installation.

Used in

Common applications for Watts
Industrial burner gas safety systems — Watts HF2000 filters with GF-series seal kits maintain clean, regulated gas supply to burner pilot and main flame controls
Commercial heating and boiler installations — Modular filter assemblies support preventive maintenance and component replacement without full system shutdown
Process gas delivery pipelines — DN25 through DN125 filter bodies accommodate varying flow rates and inlet pressures across manufacturing and chemical processes
Gas pressure regulation benches — Multi-stage Watts filter platforms integrate with pressure reducers and safety shutoff valves in test and calibration environments
Equipment retrofit and upgrade projects — Available connection sizes and seal kits enable adaptation of newer Watts components into legacy gas control systems
Planned maintenance and spare-parts inventory — Filter seal kits allow facilities to stock consumables in advance, reducing downtime during scheduled gas system servicing

Watts 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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Cross-referenced by specification & description
Iron construction ASME Section XIII hot water pressure relief valve with 1 1/2 in x 2 in FNPTF connections. Rated for maximum operating pressure of 20 psi. Used to protect hot water boilers and heating systems from overpressure conditions
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Iron construction ASME Section XIII hot water pressure relief valve with 1 1/2 in x 2 in FNPTF connections. Rated for maximum operating pressure of 20 psi. Used to protect hot water boilers and heating systems from overpressure conditions
This Watts pressure relief valve is designed for hot water heating systems, providing overpressure protection in compliance with ASME Section XIII. It features a 3/4 in FNPTF inlet and a 1 in FNPTF outlet, with a maximum operating pressure of 20 psi. The iron construction suits typical hydronic heating applications
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This Watts pressure relief valve is designed for hot water heating systems, providing overpressure protection in compliance with ASME Section XIII. It features a 3/4 in FNPTF inlet and a 1 in FNPTF outlet, with a maximum operating pressure of 20 psi. The iron construction suits typical hydronic heating applications
This Watts pressure relief valve is designed for hot water boilers and heating systems to automatically discharge water when system pressure exceeds 40 psi, protecting equipment from overpressure. It features a 3/4 inch FNPTF inlet and 1 inch FNPTF outlet, with an iron body. Suitable for residential and commercial hydronic applications
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This Watts pressure relief valve is designed for hot water boilers and heating systems to automatically discharge water when system pressure exceeds 40 psi, protecting equipment from overpressure. It features a 3/4 inch FNPTF inlet and 1 inch FNPTF outlet, with an iron body. Suitable for residential and commercial hydronic applications
This Watts hot water pressure relief valve is constructed with a bronze body and features 3/4 in FNPTF x 3/4 in FNPTF connections. It is ASME Section XIII rated for hot-water service and has a maximum operating pressure of 20 psi. The valve automatically opens to discharge water when system pressure exceeds the set point, protecting hydronic heating systems from overpressure
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This Watts hot water pressure relief valve is constructed with a bronze body and features 3/4 in FNPTF x 3/4 in FNPTF connections. It is ASME Section XIII rated for hot-water service and has a maximum operating pressure of 20 psi. The valve automatically opens to discharge water when system pressure exceeds the set point, protecting hydronic heating systems from overpressure
This Watts pressure relief valve is designed for hot water heating systems, providing overpressure protection in accordance with ASME Section XIII. It features a 1 1/4 in FNPTF inlet and 1 1/2 in FNPTF outlet, constructed from iron with an overall height of 8 3/4 in. The valve automatically opens when system pressure exceeds the set limit, helping to prevent boiler damage or rupture in commercial and industrial hydronic applications
Watts
This Watts pressure relief valve is designed for hot water heating systems, providing overpressure protection in accordance with ASME Section XIII. It features a 1 1/4 in FNPTF inlet and 1 1/2 in FNPTF outlet, constructed from iron with an overall height of 8 3/4 in. The valve automatically opens when system pressure exceeds the set limit, helping to prevent boiler damage or rupture in commercial and industrial hydronic applications
This Watts pressure relief valve is constructed of iron with FNPTF x FNPTF connections. Rated for a maximum operating pressure of 40 psi, it is designed for ASME Section XIII hot water service. Typical applications include protecting water heaters and boilers from overpressure in commercial and industrial systems
Watts
This Watts pressure relief valve is constructed of iron with FNPTF x FNPTF connections. Rated for a maximum operating pressure of 40 psi, it is designed for ASME Section XIII hot water service. Typical applications include protecting water heaters and boilers from overpressure in commercial and industrial systems

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Bronze hot water pressure relief valve with 1 1/2 in FNPTF x FNPTF connections. Rated for 150 psi maximum operating pressure. Designed for overpressure protection in hot water systems such as boilers and water heaters
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Bronze hot water pressure relief valve with 1 1/2 in FNPTF x FNPTF connections. Rated for 150 psi maximum operating pressure. Designed for overpressure protection in hot water systems such as boilers and water heaters
Iron body relief valve with 3/4 in FNPTF inlet and 1 in FNPTF outlet. Rated for hot water service, opens at 75 psi maximum operating pressure to protect against overpressure in boilers and water heaters. Overall height 5 5/8 in
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Iron body relief valve with 3/4 in FNPTF inlet and 1 in FNPTF outlet. Rated for hot water service, opens at 75 psi maximum operating pressure to protect against overpressure in boilers and water heaters. Overall height 5 5/8 in
This bronze relief valve is designed for hot water heating systems to protect against overpressure. It features 2 in x 2 in FNPTF connections and a maximum operating pressure of 150 psi. ASME Section XIII rated for commercial and industrial hydronic applications
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This bronze relief valve is designed for hot water heating systems to protect against overpressure. It features 2 in x 2 in FNPTF connections and a maximum operating pressure of 150 psi. ASME Section XIII rated for commercial and industrial hydronic applications
This ASME Section XIII hot water pressure relief valve features a 1-1/2 in FNPTF inlet and 2 in FNPTF outlet, with an iron body. Rated for a maximum operating pressure of 75 psi, it automatically opens to discharge excess pressure, protecting boilers and water heaters in hydronic heating systems
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This ASME Section XIII hot water pressure relief valve features a 1-1/2 in FNPTF inlet and 2 in FNPTF outlet, with an iron body. Rated for a maximum operating pressure of 75 psi, it automatically opens to discharge excess pressure, protecting boilers and water heaters in hydronic heating systems
This Watts pressure relief valve is ASME Section XIII rated for hot water service. It features a 1 in x 1 1/4 in FNPTF x FNPTF iron body and a maximum operating pressure of 40 psi. Used to protect water heaters and boilers from overpressure in commercial and industrial hot water systems
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This Watts pressure relief valve is ASME Section XIII rated for hot water service. It features a 1 in x 1 1/4 in FNPTF x FNPTF iron body and a maximum operating pressure of 40 psi. Used to protect water heaters and boilers from overpressure in commercial and industrial hot water systems
ASME Section XIII hot water pressure relief valve with 2 in FNPTF x FNPTF connections. Constructed of copper silicon alloy. Overall height 11 1/2 in. Used to protect hot water systems such as boilers, water heaters, and storage tanks from overpressure
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ASME Section XIII hot water pressure relief valve with 2 in FNPTF x FNPTF connections. Constructed of copper silicon alloy. Overall height 11 1/2 in. Used to protect hot water systems such as boilers, water heaters, and storage tanks from overpressure
ASME Section XIII hot water pressure relief valve with 1 1/4 in FNPTF inlet and 1 1/2 in FNPTF outlet. Cast iron body construction. Maximum operating pressure 75 psi. Used to protect boilers and water heaters from overpressure in hydronic heating systems
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ASME Section XIII hot water pressure relief valve with 1 1/4 in FNPTF inlet and 1 1/2 in FNPTF outlet. Cast iron body construction. Maximum operating pressure 75 psi. Used to protect boilers and water heaters from overpressure in hydronic heating systems
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Bronze hot water pressure relief valve with 3/4 in FNPTF x 3/4 in FNPTF connections. Rated for maximum operating pressure of 20 psi and certified to ASME Section XIII. Used to protect water heaters and boilers from overpressure by automatically discharging excess pressure