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Watts Relief Valve: FNPTF x FNPTF, 3/4 in x 3/4 in, Bronze - 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, Bronze

The WATTS Relief Valve is an ASME Section XIII hot water pressure relief valve with FNPTF x FNPTF connections, available in a 3/4 in x 3/4 in bronze configuration. It has a maximum operating pressure of 150 psi (MPN…

SKU 3G-OTH-442536

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

Watts
Manufacturer Part Number
3/4 174A 075 FS
Type
3/4 in x 3/4 in, Bronze
Max. Op Pressure
150 psi
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Watts Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The WATTS Relief Valve is an ASME Section XIII hot water pressure relief valve with FNPTF x FNPTF connections, available in a 3/4 in x 3/4 in bronze configuration. It has a maximum operating pressure of 150 psi (MPN 3/4 174A 075 FS).

Frequently Asked Questions

What is the Watts 3/4 174A 075 FS relief valve used for?

The Watts 3/4 174A 075 FS is an ASME Section XIII hot water pressure relief valve used to protect water heaters and storage tanks from overpressure. It automatically opens at a set pressure to discharge excess water, preventing system damage. Common in commercial and residential hydronic heating systems.

What are the specifications of the Watts 3/4 174A 075 FS relief valve?

This Watts relief valve has a 3/4 inch FNPTF x FNPTF connection, bronze body, and a maximum operating pressure of 150 psi. It is ASME Section XIII certified for hot water service. The manufacturer part number is 3/4 174A 075 FS, and it is designed for reliable overpressure protection.

Where to buy the Watts 3/4 174A 075 FS relief valve worldwide?

You can source the Watts 3/4 174A 075 FS 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; we supply genuine Watts components for your application.

How to install a Watts 3/4 174A 075 FS relief valve?

Install the Watts relief valve in the hot water system's designated tapping, 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 downstream of a shutoff valve. Test operation after installation per local codes.

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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