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Watts Relief Valve: FNPTF x FNPTF, 1 in x 1 in, Bronze, 40 psi Max. Op Pressure - 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 in, Bronze, 40 psi Max. Op Pressure

The WATTS Relief Valve (MPN 1 174A 050 FS) is an ASME Section XIII hot water pressure relief valve with FNPTF x FNPTF connections, sized 1 in x 1 in in bronze. It has a maximum operating pressure of 40 psi and an…

SKU 3G-OTH-442518

Brand
Watts
Item
Relief Valve: FNPTF x FNPTF, 1 in x 1 in, Bronze, 40 psi Max. Op Pressure
Category
ASME Section XIII Hot Water Pressure Relief Valves
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Technical Specifications

Watts
Manufacturer Part Number
1 174A 050 FS
Type
1 in x 1 in, Bronze
Overall Ht
5 3/4 in
Max. Op Pressure
40 psi
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Watts Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The WATTS Relief Valve (MPN 1 174A 050 FS) is an ASME Section XIII hot water pressure relief valve with FNPTF x FNPTF connections, sized 1 in x 1 in in bronze. It has a maximum operating pressure of 40 psi and an overall height of 5 3/4 in.

Frequently Asked Questions

What is the Watts 1 174A 050 FS relief valve used for?

The Watts 1 174A 050 FS is an ASME Section XIII hot water pressure relief valve used in commercial and industrial hydronic heating systems. It automatically opens to discharge excess pressure when the system exceeds 40 psi, protecting boilers, water heaters, and piping from overpressure damage.

What are the specifications of the Watts 1 174A 050 FS relief valve?

This Watts relief valve has a bronze body with FNPTF x FNPTF connections, 1 in x 1 in size, and a maximum operating pressure of 40 psi. Overall height is 5 3/4 in. It is ASME Section XIII rated for hot water service and carries the manufacturer part number 1 174A 050 FS.

Where to buy the Watts 1 174A 050 FS relief valve worldwide?

3G Electric supplies the Watts 1 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 us for availability and lead time for your region.

How to select the correct Watts relief valve for a hot water system?

Select a Watts relief valve by matching the set pressure (40 psi for this model) to the system's maximum allowable working pressure. Ensure connection size (1 in FNPTF) and material (bronze) are compatible with your piping. Always verify ASME Section XIII certification for code compliance.

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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