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Watts Relief Valve: FNPTF x FNPTF, 3/4 in x 3/4 in, Iron - ASME Section XIII Hot Water Pressure Relief Valves
WattsASME Section XIII Hot Water Pressure Relief Valves

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

SKU 3G-OTH-442469

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

Watts
Manufacturer Part Number
3/4 374A 030 FS
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Watts Products
3G Electric (S) Pte. Ltd. — Singapore

Frequently Asked Questions

What is a Watts 3/4 374A 030 FS relief valve used for?

This Watts ASME Section XIII hot water pressure relief valve protects boilers and water heaters from overpressure. It automatically opens at a set pressure to discharge excess water, preventing system damage. Common in commercial and industrial hydronic heating systems.

What are the specifications of the Watts 3/4 374A 030 FS relief valve?

This Watts relief valve has 3/4 inch FNPTF x FNPTF connections, a cast iron body, and 3 1/2 inch overall height. It is an ASME Section XIII rated hot water pressure relief valve, model 3/4 374A 030 FS, suitable for overpressure protection in heating systems.

Where to buy a Watts 3/4 374A 030 FS relief valve worldwide?

3G Electric supplies and delivers the Watts 3/4 374A 030 FS relief valve worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to ensure your order arrives at your facility, wherever it is located.

How to install a Watts 3/4 374A 030 FS relief valve?

Install the Watts relief valve in the boiler or water heater outlet, 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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