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Watts Relief Valve: FNPTF x FNPTF, 2 in x 2 in, Bronze - ASME Section XIII Hot Water Pressure Relief Valves
WattsASME Section XIII Hot Water Pressure Relief Valves

Watts Relief Valve: FNPTF x FNPTF, 2 in x 2 in, Bronze

SKU 3G-OTH-442544

Brand
Watts
Item
Relief Valve: FNPTF x FNPTF, 2 in x 2 in, Bronze
Category
ASME Section XIII Hot Water Pressure Relief Valves
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Technical Specifications

Watts
Manufacturer Part Number
2 174A 050 FS
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Watts Products
3G Electric (S) Pte. Ltd. — Singapore

Frequently Asked Questions

What is the Watts 2 174A 050 FS relief valve used for?

The Watts 2 174A 050 FS is an ASME Section XIII hot water pressure relief valve used in commercial and industrial hydronic systems. It protects boilers, water heaters, and storage tanks from overpressure by automatically releasing water when pressure exceeds 150 psi. Typical applications include heating plants, process water systems, and high-temperature hot water loops.

What are the specifications of the Watts 2 174A 050 FS relief valve?

This Watts relief valve has a 2-inch FNPTF x FNPTF connection, bronze body construction, and a maximum operating pressure of 150 psi. It is ASME Section XIII certified for hot water service. The manufacturer part number is 2 174A 050 FS. It is designed for overpressure protection in closed-loop hydronic systems.

Where to buy the Watts 2 174A 050 FS relief valve worldwide?

3G Electric supplies the Watts 2 174A 050 FS relief valve to customers worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your site. Contact our team for a quote and lead time. We source genuine Watts components for commercial and industrial applications.

How to install a Watts 2 174A 050 FS relief valve?

Install the Watts 2 174A 050 FS relief valve in the hot water outlet line of the boiler or tank, with the valve stem vertical. Use pipe thread sealant on the FNPTF connections. Ensure the discharge piping is routed to a safe drain and is not blocked. Follow ASME Section XIII and local code requirements for sizing and placement.

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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