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WattsASME Section XIII Hot Water Pressure Relief Valves

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

The WATTS Boiler Pressure Relief Valve (MPN F383942) is an ASME Section XIII hot water pressure relief valve with 1 1/2 in x 2 in FNPTF connections in an iron body, rated for 56 psi maximum operating pressure. 3G…

SKU 3G-OTH-442527

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

Watts
Manufacturer Part Number
F383942
Type
1 1/2 in x 2 in, Iron
Max. Op Pressure
56 psi
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Watts Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The WATTS Boiler Pressure Relief Valve (MPN F383942) is an ASME Section XIII hot water pressure relief valve with 1 1/2 in x 2 in FNPTF connections in an iron body, rated for 56 psi maximum operating pressure. 3G Electric interprets this demand and delivers genuine industrial equipment across 14 departments, with specialist depth in combustion, pumps and controls as an authorised distributor for brands including Watts, Schneider, ABB, Siemens, SKF, Festo, Fluke, Interpump and FBR.

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 conditions. It automatically opens to discharge water when system pressure exceeds 56 psi, preventing equipment damage and ensuring safe operation in commercial and industrial applications.

What are the specifications of the Watts F383942 pressure relief valve?

The Watts F383942 is an ASME Section XIII hot water pressure relief valve with 1 1/2 in FNPTF inlet and 2 in FNPTF outlet connections. It is constructed from iron and has a maximum operating pressure of 56 psi. This valve is designed for boiler overpressure protection.

Where to buy the Watts F383942 pressure relief valve worldwide?

You can source the Watts F383942 pressure relief valve through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time on this Watts valve.

How to install a Watts boiler pressure relief valve?

Install the Watts valve in the boiler outlet piping with the sensing element immersed in water. Ensure the discharge pipe is directed to a safe drain location and is not blocked. Use pipe thread sealant on the FNPTF connections and verify the valve is rated for your system's pressure and temperature.

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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