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Watts Pressure Relief Valve: FNPTF x FNPTF, 3/4 in x 1 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, 3/4 in x 1 in, Iron

The WATTS Pressure Relief Valve (MPN F382456) is an ASME Section XIII hot water pressure relief valve with FNPTF x FNPTF connections, sized 3/4 in x 1 in in iron, rated for a maximum operating pressure of 75 psi. 3G…

SKU 3G-OTH-442533

Also listed as: F 382456 · F-382456

Brand
Watts
Item
Pressure Relief Valve: FNPTF x FNPTF, 3/4 in x 1 in, Iron
Category
ASME Section XIII Hot Water Pressure Relief Valves
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Technical Specifications

Watts
Manufacturer Part Number
F382456
Type
3/4 in x 1 in, Iron
Max. Op Pressure
75 psi

Technical Documents

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

Product Description

The WATTS Pressure Relief Valve (MPN F382456) is an ASME Section XIII hot water pressure relief valve with FNPTF x FNPTF connections, sized 3/4 in x 1 in in iron, rated for a maximum operating pressure of 75 psi. 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 — ensuring you get the right solution, not just a catalog.

Frequently Asked Questions

What is the WATTS F382456 pressure relief valve used for?

The WATTS F382456 is an ASME Section XIII hot water pressure relief valve used to protect water heaters and boilers from overpressure. It automatically opens at its set pressure to discharge excess water, preventing system damage. Common in commercial and industrial hot water systems.

What are the specifications of the WATTS F382456?

The WATTS F382456 is a 3/4 in x 1 in FNPTF x FNPTF iron pressure relief valve with a maximum operating pressure of 75 psi. It is ASME Section XIII certified for hot water service. The manufacturer part number is F382456.

Where to buy the WATTS F382456 worldwide?

You can source the WATTS F382456 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.

How to install the WATTS F382456 pressure relief valve?

Install the WATTS F382456 in the hot water system's designated tapping, ensuring the valve's inlet is connected to the system and the outlet is piped to a safe discharge location. Follow local codes and the manufacturer's instructions. Never install a shut-off 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)
Watts
WATTS Pressure Relief Valve: FNPTF x FNPTF, 1 in x 1 1/4 in, Iron, 40 psi Max. Op Pressure (MPN F382870)
WATTS Pressure Relief Valve: FNPTF x FNPTF, 1 1/2 in x 2 in, Iron, 40 psi Max. Op Pressure (MPN F383792)
Watts
WATTS Pressure Relief Valve: FNPTF x FNPTF, 1 1/2 in x 2 in, Iron, 40 psi Max. Op Pressure (MPN F383792)
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)
WATTS Pressure Relief Valve: FNPTF x FNPTF, 1 1/4 in x 1 1/2 in, Iron, 75 psi Max. Op Pressure (MPN 0383308)
Watts
WATTS Pressure Relief Valve: FNPTF x FNPTF, 1 1/4 in x 1 1/2 in, Iron, 75 psi Max. Op Pressure (MPN 0383308)
WATTS Relief Valve: FNPTF x FNPTF, 3/4 in x 1 in, Iron, 75 psi Max. Op Pressure, 5 5/8 in Overall Ht (MPN 3/4 740 050 FS)
Watts
WATTS Relief Valve: FNPTF x FNPTF, 3/4 in x 1 in, Iron, 75 psi Max. Op Pressure, 5 5/8 in Overall Ht (MPN 3/4 740 050 FS)
WATTS Pressure Relief Valve: FNPTF x FNPTF, 3/4 in x 1 in, Iron, 50 psi Max. Op Pressure (MPN F382392)
Watts
WATTS Pressure Relief Valve: FNPTF x FNPTF, 3/4 in x 1 in, Iron, 50 psi Max. Op Pressure (MPN F382392)

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