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Watts Pressure Relief Valve: FNPTF x FNPTF, 3/4 in x 3/4 in - ASME Section XIII Hot Water Pressure Relief Valves
WattsASME Section XIII Hot Water Pressure Relief Valves

Watts Pressure Relief Valve: FNPTF x FNPTF, 3/4 in x 3/4 in

The WATTS Pressure Relief Valve (MPN 0121484) is an ASME Section XIII hot water pressure relief valve with 3/4 in x 3/4 in FNPTF connections, constructed from copper silicon alloy. This valve is designed to relieve…

SKU 3G-OTH-442465

Brand
Watts
Item
Pressure Relief Valve: FNPTF x FNPTF, 3/4 in x 3/4 in
Category
ASME Section XIII Hot Water Pressure Relief Valves
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Technical Specifications

Watts
Manufacturer Part Number
0121484
Type
3/4 in x 3/4 in, Copper Silicon Alloy
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Watts Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The WATTS Pressure Relief Valve (MPN 0121484) is an ASME Section XIII hot water pressure relief valve with 3/4 in x 3/4 in FNPTF connections, constructed from copper silicon alloy. This valve is designed to relieve excess pressure in hot water systems, ensuring safe operation within specified limits.

Frequently Asked Questions

What is the WATTS 0121484 pressure relief valve used for?

The WATTS 0121484 is an ASME Section XIII hot water pressure relief valve used to protect water heaters and boilers from overpressure. It automatically opens at a set pressure to discharge excess water, preventing system damage. Common in commercial and industrial hydronic heating systems.

What are the specifications of the WATTS 0121484 pressure relief valve?

The WATTS 0121484 has 3/4 in FNPTF x 3/4 in FNPTF connections and a copper silicon alloy body. It is an ASME Section XIII rated hot water pressure relief valve. The manufacturer part number is 0121484. This valve is designed for hot water service up to 210 °F.

Where to buy the WATTS 0121484 pressure relief valve worldwide?

3G Electric supplies the WATTS 0121484 pressure relief valve worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time. We source and deliver this valve to any country.

How to install the WATTS 0121484 pressure relief valve?

Install the WATTS 0121484 valve in the hot water system discharge line with the arrow on the body pointing in the flow direction. Use pipe thread sealant on the FNPTF connections. Ensure the discharge pipe is routed to a safe drain location per local codes. Never install a shutoff valve between the valve and system.

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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