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Watts Pressure Relief Valve: FNPTF x FNPTF, 1 1/4 in x 1 1/4 in - ASME Section XIII Hot Water Pressure Relief Valves
WattsASME Section XIII Hot Water Pressure Relief Valves

Watts Pressure Relief Valve: FNPTF x FNPTF, 1 1/4 in x 1 1/4 in

The WATTS Pressure Relief Valve (MPN 0121517) is an ASME Section XIII hot water pressure relief valve with 1 1/4 in x 1 1/4 in FNPTF connections, constructed from copper silicon alloy. 3G Electric interprets customer…

SKU 3G-OTH-442494

Brand
Watts
Item
Pressure Relief Valve: FNPTF x FNPTF, 1 1/4 in x 1 1/4 in
Category
ASME Section XIII Hot Water Pressure Relief Valves
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Technical Specifications

Watts
Manufacturer Part Number
0121517
Type
1 1/4 in x 1 1/4 in, Copper Silicon Alloy
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Watts Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The WATTS Pressure Relief Valve (MPN 0121517) is an ASME Section XIII hot water pressure relief valve with 1 1/4 in x 1 1/4 in FNPTF connections, constructed from copper silicon alloy. 3G Electric interprets customer demand and delivers this genuine industrial valve across 14 departments, with specialist depth in combustion, pumps and controls as an authorised distributor.

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 safe limits. It is commonly installed on water heaters, boilers, and storage tanks in commercial and industrial applications to prevent equipment damage and ensure safety.

What are the specifications of the Watts pressure relief valve 0121517?

The Watts pressure relief valve model 0121517 has a 1 1/4 in FNPTF x 1 1/4 in FNPTF connection and is made of copper silicon alloy. It is an ASME Section XIII hot water pressure relief valve designed for reliable overpressure protection in hydronic systems.

Where to buy Watts pressure relief valve 0121517 worldwide?

You can source the Watts pressure relief valve 0121517 through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations, ensuring you receive genuine Watts components for your application.

How to install a Watts pressure relief valve?

Install the Watts pressure relief valve in the hot water system's designated tapping, ensuring the discharge pipe is directed to a safe drain. Use thread sealant on the FNPTF connections and tighten to manufacturer torque specs. Never install a valve in a closed system without a thermal expansion tank.

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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