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

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

SKU 3G-OTH-442482

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

Watts
Manufacturer Part Number
F382820
Type
1 in x 1 1/4 in, Iron
Max. Op Pressure
40 psi
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Watts Products
3G Electric (S) Pte. Ltd. — Singapore

Frequently Asked Questions

What is a Watts F382820 relief valve used for?

The Watts F382820 is an ASME Section XIII hot water pressure relief valve used to protect water heaters and boilers from overpressure. It automatically opens at 40 psi to discharge excess pressure, preventing system damage. Common in commercial and industrial hot water systems.

What are the specifications of the Watts F382820 relief valve?

The Watts F382820 is a 1 in x 1 1/4 in FNPTF x FNPTF iron relief valve with a maximum operating pressure of 40 psi. It is ASME Section XIII rated for hot water service. The iron body provides durability in high-temperature industrial applications.

Where to buy a Watts F382820 relief valve worldwide?

3G Electric supplies the Watts F382820 relief valve worldwide. As a global industrial sourcing partner, we handle logistics, customs clearance, and delivery to your site. Contact us for a quote and lead time on this ASME-rated valve for hot water systems.

How to install a Watts F382820 relief valve?

Install the Watts F382820 relief valve in the hot water system discharge line with the arrow on the body pointing downstream. Use pipe thread sealant on the FNPTF connections. Ensure the discharge pipe is routed to a safe drain and is not blocked. 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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