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Watts Pressure Relief Valve: FNPTF x FNPTF, 1 1/2 in x 1 1/2 in - ASME Section XIII Hot Water Pressure Relief Valves
WattsASME Section XIII Hot Water Pressure Relief Valves

Watts Pressure Relief Valve: FNPTF x FNPTF, 1 1/2 in x 1 1/2 in

The WATTS Pressure Relief Valve (MPN 0121544) is an ASME Section XIII hot water pressure relief valve with FNPTF x FNPTF connections, sized 1 1/2 in x 1 1/2 in, constructed from Copper Silicon Alloy.

SKU 3G-OTH-442500

Brand
Watts
Item
Pressure Relief Valve: FNPTF x FNPTF, 1 1/2 in x 1 1/2 in
Category
ASME Section XIII Hot Water Pressure Relief Valves
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Technical Specifications

Watts
Manufacturer Part Number
0121544
Type
1 1/2 in x 1 1/2 in, Copper Silicon Alloy
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Watts Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The WATTS Pressure Relief Valve (MPN 0121544) is an ASME Section XIII hot water pressure relief valve with FNPTF x FNPTF connections, sized 1 1/2 in x 1 1/2 in, constructed from Copper Silicon Alloy.

Frequently Asked Questions

What is the WATTS 0121544 pressure relief valve used for?

The WATTS 0121544 is an ASME Section XIII hot water pressure relief valve designed to protect water heaters and boilers from overpressure. It automatically opens when pressure exceeds safe limits, preventing system damage. Common in commercial and industrial hot water systems.

What are the specifications of the WATTS 0121544 pressure relief valve?

This WATTS valve has 1 1/2 in FNPTF x 1 1/2 in FNPTF connections and a copper silicon alloy body. It is ASME Section XIII rated for hot water service. The manufacturer part number is 0121544, and the SKU is 162A05.

Where to buy the WATTS 0121544 pressure relief valve worldwide?

3G Electric supplies the WATTS 0121544 pressure relief valve worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time.

How to install the WATTS 0121544 pressure relief valve?

Install the WATTS 0121544 in the hot water system's designated tapping, ensuring the valve's inlet and outlet are properly aligned. Use thread sealant on the FNPTF connections. Always follow local codes and the manufacturer's instructions for safe operation.

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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