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Watts 3/4 374A 030 FS ASME Section XIII Hot Water Pressure Relief Valve - ASME Section XIII Hot Water Pressure Relief Valves
WattsASME Section XIII Hot Water Pressure Relief Valves

Watts 3/4 374A 030 FS ASME Section XIII Hot Water Pressure Relief Valve

Watts ASME Section XIII Hot Water Pressure Relief Valves.

SKU 3G-OTH-442469

Also listed as: 34374A030FS · 3 4 374A 030 FS · 3-4-374A-030-FS

Brand
Watts
Item
3/4 374A 030 FS ASME Section XIII Hot Water Pressure Relief Valve
Category
ASME Section XIII Hot Water Pressure Relief Valves
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Local availability & support — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

Technical Specifications

Watts
Manufacturer Part Number
3/4 374A 030 FS

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Watts Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

Watts ASME Section XIII Hot Water Pressure Relief Valves.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

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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Cross-referenced by specification & description
This ASME Section XIII hot water pressure relief valve features a 3/4 in FNPTF inlet and 1 in FNPTF outlet, with an iron body. It is set to open at a maximum operating pressure of 75 psi, with an overall height of 5 5/8 in. Used to protect hot water heaters and boilers from overpressure conditions
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This ASME Section XIII hot water pressure relief valve features a 3/4 in FNPTF inlet and 1 in FNPTF outlet, with an iron body. It is set to open at a maximum operating pressure of 75 psi, with an overall height of 5 5/8 in. Used to protect hot water heaters and boilers from overpressure conditions
Iron body hot water pressure relief valve with 1-1/4 in FNPTF inlet and 1-1/2 in FNPTF outlet. Rated for maximum operating pressure of 75 psi. Complies with ASME Section XIII standards. Used in hydronic heating systems to protect boilers and water heaters from overpressure
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Iron body hot water pressure relief valve with 1-1/4 in FNPTF inlet and 1-1/2 in FNPTF outlet. Rated for maximum operating pressure of 75 psi. Complies with ASME Section XIII standards. Used in hydronic heating systems to protect boilers and water heaters from overpressure
Bronze body pressure relief valve with 1-1/4 in FNPTF x FNPTF connections. Rated for 150 psi maximum operating pressure. Complies with ASME Section XIII standards for hot water service. Used in hydronic heating systems to protect boilers and water heaters from overpressure
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Bronze body pressure relief valve with 1-1/4 in FNPTF x FNPTF connections. Rated for 150 psi maximum operating pressure. Complies with ASME Section XIII standards for hot water service. Used in hydronic heating systems to protect boilers and water heaters from overpressure
This Watts pressure relief valve is ASME Section XIII certified for hot water service. It features a bronze body with 3/4 inch FNPTF x FNPTF connections and a maximum operating pressure of 150 psi. Used to protect water heaters and storage tanks from overpressure by automatically opening at set pressure to discharge excess water
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This Watts pressure relief valve is ASME Section XIII certified for hot water service. It features a bronze body with 3/4 inch FNPTF x FNPTF connections and a maximum operating pressure of 150 psi. Used to protect water heaters and storage tanks from overpressure by automatically opening at set pressure to discharge excess water
Bronze body hot water pressure relief valve with 3/4 in FNPTF x 3/4 in FNPTF connections. Rated for maximum operating pressure of 150 psi. Certified to ASME Section XIII for overpressure protection in hydronic heating systems, boilers, water heaters, and storage tanks
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Bronze body hot water pressure relief valve with 3/4 in FNPTF x 3/4 in FNPTF connections. Rated for maximum operating pressure of 150 psi. Certified to ASME Section XIII for overpressure protection in hydronic heating systems, boilers, water heaters, and storage tanks
This Watts hot water pressure relief valve is ASME Section XIII certified for overpressure protection in hot water systems. It features a bronze body with FNPTF x FNPTF connections, 3/4 in x 3/4 in size, and a maximum operating pressure of 150 psi. The valve automatically opens at its set pressure to discharge excess water, safeguarding water heaters and boilers
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This Watts hot water pressure relief valve is ASME Section XIII certified for overpressure protection in hot water systems. It features a bronze body with FNPTF x FNPTF connections, 3/4 in x 3/4 in size, and a maximum operating pressure of 150 psi. The valve automatically opens at its set pressure to discharge excess water, safeguarding water heaters and boilers

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Bronze hot water pressure relief valve with 1 1/2 in FNPTF x FNPTF connections. Rated for 150 psi maximum operating pressure. Designed for overpressure protection in hot water systems such as boilers and water heaters
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Bronze hot water pressure relief valve with 1 1/2 in FNPTF x FNPTF connections. Rated for 150 psi maximum operating pressure. Designed for overpressure protection in hot water systems such as boilers and water heaters
Iron body relief valve with 3/4 in FNPTF inlet and 1 in FNPTF outlet. Rated for hot water service, opens at 75 psi maximum operating pressure to protect against overpressure in boilers and water heaters. Overall height 5 5/8 in
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Iron body relief valve with 3/4 in FNPTF inlet and 1 in FNPTF outlet. Rated for hot water service, opens at 75 psi maximum operating pressure to protect against overpressure in boilers and water heaters. Overall height 5 5/8 in
This bronze relief valve is designed for hot water heating systems to protect against overpressure. It features 2 in x 2 in FNPTF connections and a maximum operating pressure of 150 psi. ASME Section XIII rated for commercial and industrial hydronic applications
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This bronze relief valve is designed for hot water heating systems to protect against overpressure. It features 2 in x 2 in FNPTF connections and a maximum operating pressure of 150 psi. ASME Section XIII rated for commercial and industrial hydronic applications
This ASME Section XIII hot water pressure relief valve features a 1-1/2 in FNPTF inlet and 2 in FNPTF outlet, with an iron body. Rated for a maximum operating pressure of 75 psi, it automatically opens to discharge excess pressure, protecting boilers and water heaters in hydronic heating systems
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This ASME Section XIII hot water pressure relief valve features a 1-1/2 in FNPTF inlet and 2 in FNPTF outlet, with an iron body. Rated for a maximum operating pressure of 75 psi, it automatically opens to discharge excess pressure, protecting boilers and water heaters in hydronic heating systems
This Watts pressure relief valve is ASME Section XIII rated for hot water service. It features a 1 in x 1 1/4 in FNPTF x FNPTF iron body and a maximum operating pressure of 40 psi. Used to protect water heaters and boilers from overpressure in commercial and industrial hot water systems
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This Watts pressure relief valve is ASME Section XIII rated for hot water service. It features a 1 in x 1 1/4 in FNPTF x FNPTF iron body and a maximum operating pressure of 40 psi. Used to protect water heaters and boilers from overpressure in commercial and industrial hot water systems
ASME Section XIII hot water pressure relief valve with 2 in FNPTF x FNPTF connections. Constructed of copper silicon alloy. Overall height 11 1/2 in. Used to protect hot water systems such as boilers, water heaters, and storage tanks from overpressure
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ASME Section XIII hot water pressure relief valve with 2 in FNPTF x FNPTF connections. Constructed of copper silicon alloy. Overall height 11 1/2 in. Used to protect hot water systems such as boilers, water heaters, and storage tanks from overpressure
ASME Section XIII hot water pressure relief valve with 1 1/4 in FNPTF inlet and 1 1/2 in FNPTF outlet. Cast iron body construction. Maximum operating pressure 75 psi. Used to protect boilers and water heaters from overpressure in hydronic heating systems
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ASME Section XIII hot water pressure relief valve with 1 1/4 in FNPTF inlet and 1 1/2 in FNPTF outlet. Cast iron body construction. Maximum operating pressure 75 psi. Used to protect boilers and water heaters from overpressure in hydronic heating systems
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Bronze hot water pressure relief valve with 3/4 in FNPTF x 3/4 in FNPTF connections. Rated for maximum operating pressure of 20 psi and certified to ASME Section XIII. Used to protect water heaters and boilers from overpressure by automatically discharging excess pressure