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

The WATTS Pressure Relief Valve (MPN F383792) is an ASME Section XIII hot water pressure relief valve with FNPTF x FNPTF connections, sized 1 1/2 in x 2 in in iron, rated for a maximum operating pressure of 40 psi.

SKU 3G-OTH-442502

Also listed as: F 383792 · F-383792

Brand
Watts
Item
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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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

Watts
Manufacturer Part Number
F383792
Type
1 1/2 in x 2 in, Iron
Max. Op Pressure
40 psi

Technical Documents

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Watts Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The WATTS Pressure Relief Valve (MPN F383792) is an ASME Section XIII hot water pressure relief valve with FNPTF x FNPTF connections, sized 1 1/2 in x 2 in in iron, rated for a maximum operating pressure of 40 psi.

Frequently Asked Questions

What is the Watts F383792 pressure relief valve used for?

The Watts F383792 is an ASME Section XIII hot water pressure relief valve used to protect water heaters and boilers from overpressure. It automatically opens when system pressure exceeds 40 psi, preventing equipment damage and ensuring safe operation in commercial and industrial hot water systems.

What are the specifications of the Watts F383792 pressure relief valve?

The Watts F383792 is a 1 1/2 in x 2 in FNPTF x FNPTF iron pressure relief valve with a maximum operating pressure of 40 psi. It is ASME Section XIII rated for hot water service. The valve body is constructed from iron for durability in high-temperature applications.

Where to buy the Watts F383792 pressure relief valve worldwide?

3G Electric supplies the Watts F383792 pressure relief valve worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time; we source and deliver this valve to any country.

How to install the Watts F383792 pressure relief valve?

Install the Watts F383792 valve on the hot water outlet of the heater or boiler, 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 shutoff valve between the relief valve and the 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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Compatible alternatives & equivalents

Cross-referenced by specification & description
WATTS Pressure Relief Valve: FNPTF x FNPTF, 1 in x 1 1/4 in, Iron, 40 psi Max. Op Pressure (MPN F382870)
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WATTS Pressure Relief Valve: FNPTF x FNPTF, 1 in x 1 1/4 in, Iron, 40 psi Max. Op Pressure (MPN F382870)
WATTS Boiler Pressure Relief Valve: FNPTF x FNPTF, 3/4 in x 1 in, Iron, 40 psi Max. Op Pressure (MPN F382328)
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WATTS Boiler Pressure Relief Valve: FNPTF x FNPTF, 3/4 in x 1 in, Iron, 40 psi Max. Op Pressure (MPN F382328)
WATTS Boiler Pressure Relief Valve: FNPTF x FNPTF, 3/4 in x 1 in, Iron, 20 psi Max. Op Pressure (MPN F382008)
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WATTS Boiler Pressure Relief Valve: FNPTF x FNPTF, 3/4 in x 1 in, Iron, 20 psi Max. Op Pressure (MPN F382008)
WATTS Pressure Relief Valve: FNPTF x FNPTF, 3/4 in x 1 in, Iron, 75 psi Max. Op Pressure (MPN F382456)
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WATTS Pressure Relief Valve: FNPTF x FNPTF, 3/4 in x 1 in, Iron, 75 psi Max. Op Pressure (MPN F382456)
WATTS Relief Valve: FNPTF x FNPTF, 1 in x 1 1/4 in, Iron, 40 psi Max. Op Pressure (MPN F382820)
Watts
WATTS Relief Valve: FNPTF x FNPTF, 1 in x 1 1/4 in, Iron, 40 psi Max. Op Pressure (MPN F382820)
WATTS Pressure Relief Valve: FNPTF x FNPTF, 1 1/4 in x 1 1/2 in, Iron, 75 psi Max. Op Pressure (MPN 0383025)
Watts
WATTS Pressure Relief Valve: FNPTF x FNPTF, 1 1/4 in x 1 1/2 in, Iron, 75 psi Max. Op Pressure (MPN 0383025)

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