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WattsASME Section XIII Hot Water Pressure Relief Valves

WATTS RELIEF VALVE: NPTF x NPTF, 1 in x 1 in, Copper Silicon Alloy

The Watts Relief Valve (MPN F121494) is an ASME Section XIII hot water pressure relief valve with 1 in x 1 in NPTF x NPTF connections, constructed from copper silicon alloy and rated for a maximum operating pressure…

SKU 3G-OTH-442530

Brand
Watts
Item
RELIEF VALVE: NPTF x NPTF, 1 in x 1 in, Copper Silicon Alloy
Category
ASME Section XIII Hot Water Pressure Relief Valves
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Technical Specifications

Watts
Manufacturer Part Number
F121494
Type
1 in x 1 in, Copper Silicon Alloy
Max. Op Pressure
56 psi
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Watts Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The Watts Relief Valve (MPN F121494) is an ASME Section XIII hot water pressure relief valve with 1 in x 1 in NPTF x NPTF connections, constructed from copper silicon alloy and rated for a maximum operating pressure of 56 psi.

Frequently Asked Questions

What is the Watts F121494 relief valve used for?

The Watts F121494 is an ASME Section XIII hot water pressure relief valve used to protect water heaters and storage tanks from overpressure. It automatically opens at 56 psi to discharge excess pressure, preventing system damage. Common in commercial and industrial hot water systems.

What are the specifications of the Watts F121494 relief valve?

The Watts F121494 is a 1 in x 1 in NPTF x NPTF relief valve made of copper silicon alloy. It has a maximum operating pressure of 56 psi and is ASME Section XIII certified for hot water service. The manufacturer part number is F121494.

Where to buy the Watts F121494 relief valve worldwide?

3G Electric supplies the Watts F121494 relief valve worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time. We source genuine Watts components for commercial and industrial applications.

How to install the Watts F121494 relief valve?

Install the Watts F121494 relief valve in the hot water system's tapping, ensuring the discharge pipe is directed to a safe drain. Use thread sealant on NPTF connections and tighten to manufacturer torque specs. Never install a shutoff valve between the relief valve and the tank. 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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