Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

3G Electric
RFQ CartGet a QuoteSign inSign up

Watts 3G-OTH-442457 — Compatible Parts & Alternatives

You searched for 3/4 174A 030 FS

13 compatible products found for Watts 3G-OTH-442457. All items ship worldwide via DHL.

Also known as:3/4 174A 030 FSWatts

Cross-reference match for “3/4 174A 030 FS”

“3/4 174A 030 FS” reads like a competitor / OEM part number. The 3G-catalog equivalent is below. Not an exact fit? Our global supplier network covers thousands of brands — add it to an RFQ and we’ll quote it.

Watts 3/4 174A 030 FS ASME Section XIII Hot Water Pressure Relief Valve
Watts

Watts 3/4 174A 030 FS ASME Section XIII Hot Water Pressure Relief Valve

SKU: 3G-OTH-442457
Available by RFQQuote + Service

More from Watts

12 other Watts products in the same range

Watts 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.
Watts

Watts 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.

SKU: 3G-OTH-442499
Available by RFQQuote + Service
Watts 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.
Watts

Watts 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.

SKU: 3G-OTH-442545
Available by RFQQuote + Service
Watts 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.
Watts

Watts 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.

SKU: 3G-OTH-442504
Available by RFQQuote + Service
Watts 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.
Watts

Watts 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.

SKU: 3G-OTH-442542
Available by RFQQuote + Service
Watts 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.
Watts

Watts 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.

SKU: 3G-OTH-442482
Available by RFQQuote + Service
Watts 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.
Watts

Watts 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.

SKU: 3G-OTH-442509
Available by RFQQuote + Service
Watts 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.
Watts

Watts 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.

SKU: 3G-OTH-442497
Available by RFQQuote + Service
Watts Cast iron hot water pressure relief valve with 3/4 inch FNPTF x FNPTF connections and 3 1/2 inch overall height. ASME Section XIII rated for overpressure protection in hydronic heating systems, boilers, and water heaters.
Watts

Watts Cast iron hot water pressure relief valve with 3/4 inch FNPTF x FNPTF connections and 3 1/2 inch overall height. ASME Section XIII rated for overpressure protection in hydronic heating systems, boilers, and water heaters.

SKU: 3G-OTH-442469
Available by RFQQuote + Service
Watts This Watts pressure relief valve is designed for hot water systems, providing overpressure protection in accordance with ASME Section XIII. It features FNPTF x FNPTF connections, a 1 in x 1 in size, and is constructed from copper silicon alloy. The valve has an overall height of 5 3/4 in and is suitable for use in boilers, tanks, and piping to prevent damage from excessive pressure.
Watts

Watts This Watts pressure relief valve is designed for hot water systems, providing overpressure protection in accordance with ASME Section XIII. It features FNPTF x FNPTF connections, a 1 in x 1 in size, and is constructed from copper silicon alloy. The valve has an overall height of 5 3/4 in and is suitable for use in boilers, tanks, and piping to prevent damage from excessive pressure.

SKU: 3G-OTH-442541
Available by RFQQuote + Service
Watts This ASME Section XIII rated hot water pressure relief valve features a bronze body with 1 in FNPT x FNPT connections. It opens automatically at 94 psi to discharge excess pressure, protecting water heaters and boilers from overpressure conditions. Overall height is 5 3/4 in.
Watts

Watts This ASME Section XIII rated hot water pressure relief valve features a bronze body with 1 in FNPT x FNPT connections. It opens automatically at 94 psi to discharge excess pressure, protecting water heaters and boilers from overpressure conditions. Overall height is 5 3/4 in.

SKU: 3G-OTH-442475
Available by RFQQuote + Service
Watts This ASME Section XIII hot water pressure relief valve features 1 1/4 in x 1 1/4 in FNPTF connections and is constructed from copper silicon alloy. It is designed to automatically relieve excess pressure in hot water systems, protecting water heaters and boilers from overpressure conditions. Typical applications include commercial and industrial hot water systems where ASME Section XIII compliance is required.
Watts

Watts This ASME Section XIII hot water pressure relief valve features 1 1/4 in x 1 1/4 in FNPTF connections and is constructed from copper silicon alloy. It is designed to automatically relieve excess pressure in hot water systems, protecting water heaters and boilers from overpressure conditions. Typical applications include commercial and industrial hot water systems where ASME Section XIII compliance is required.

SKU: 3G-OTH-442495
Available by RFQQuote + Service
Watts This Watts pressure relief valve is designed for hot water heating systems, providing overpressure protection in accordance with ASME Section XIII. It features a 1 1/4 in FNPTF inlet and 1 1/2 in FNPTF outlet, constructed from iron with an overall height of 8 3/4 in. The valve automatically opens when system pressure exceeds the set limit, helping to prevent boiler damage or rupture in commercial and industrial hydronic applications.
Watts

Watts This Watts pressure relief valve is designed for hot water heating systems, providing overpressure protection in accordance with ASME Section XIII. It features a 1 1/4 in FNPTF inlet and 1 1/2 in FNPTF outlet, constructed from iron with an overall height of 8 3/4 in. The valve automatically opens when system pressure exceeds the set limit, helping to prevent boiler damage or rupture in commercial and industrial hydronic applications.

SKU: 3G-OTH-442496
Available by RFQQuote + Service