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APOLLO Relief Valve: FNPT x FNPT, 3/4 in x 3/4 in, Bronze - ASME Section IV Hot Water Pressure Relief Valves
APOLLOASME Section IV Hot Water Pressure Relief Valves

APOLLO Relief Valve: FNPT x FNPT, 3/4 in x 3/4 in, Bronze

The APOLLO Relief Valve is an ASME Section IV Hot Water Pressure Relief Valve with FNPT x FNPT connections, available in a 3/4 in x 3/4 in bronze configuration. It has a maximum operating pressure of 75 psi (MPN…

SKU 3G-OTH-429305

Brand
APOLLO
Item
Relief Valve: FNPT x FNPT, 3/4 in x 3/4 in, Bronze
Category
ASME Section IV Hot Water Pressure Relief Valves
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Technical Specifications

APOLLO
Manufacturer Part Number
1041815
Type
3/4 in x 3/4 in, Bronze
Max. Op Pressure
75 psi

Technical Documents

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

Product Description

The APOLLO Relief Valve is an ASME Section IV Hot Water Pressure Relief Valve with FNPT x FNPT connections, available in a 3/4 in x 3/4 in bronze configuration. It has a maximum operating pressure of 75 psi (MPN 1041815). 3G Electric interprets customer demand and delivers genuine industrial equipment across 14 departments—and far more—with specialist depth in combustion, pumps and controls as an authorised distributor for brands including APOLLO, Schneider, ABB, Siemens, SKF, Festo, Fluke, Interpump and FBR.

Frequently Asked Questions

What is the APOLLO Relief Valve 1041815 used for?

The APOLLO Relief Valve 1041815 is an ASME Section IV hot water pressure relief valve used in commercial and residential hydronic heating systems. It protects boilers and water heaters from overpressure by automatically releasing water when system pressure exceeds 75 psi, preventing equipment damage and ensuring safe operation.

What are the specifications of the APOLLO Relief Valve 1041815?

The APOLLO Relief Valve 1041815 has a bronze body with FNPT x FNPT connections sized 3/4 in x 3/4 in. It has a maximum operating pressure of 75 psi and is ASME Section IV rated for hot water applications. The manufacturer part number is 1041815, and it is designed for pressure relief in hydronic systems.

Where to buy the APOLLO Relief Valve 1041815 worldwide?

3G Electric supplies the APOLLO Relief Valve 1041815 to customers worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your location. Contact our team for pricing and lead time on this bronze relief valve.

How to install the APOLLO Relief Valve 1041815?

Install the APOLLO Relief Valve 1041815 in the hot water system discharge piping with the valve stem vertical. Ensure the relief outlet is piped to a safe drain location per local codes. Use thread sealant on the FNPT connections and verify the system pressure does not exceed 75 psi. Always follow ASME guidelines and consult a licensed plumber.

Used in

Common applications for APOLLO
Water supply systems — APOLLO double check valve backflow preventers (Series 4A) for backflow protection in commercial buildings.
HVAC piping — APOLLO bronze ball valves (two-piece, FNPT) for shut-off and isolation in heating and cooling loops.
Irrigation networks — APOLLO double check valve assemblies (bronze, FNPT) to prevent contamination of potable water sources.
Process piping — APOLLO three-piece ball valves (full-port, sweat connections) for maintenance-friendly flow control in industrial lines.
Safety systems — APOLLO spring-return lever ball valves (bronze, FNPT) for fail-safe shut-off in fuel or gas applications.
Plumbing repairs — APOLLO repair kits (complete check kits) for servicing backflow preventers in existing installations.

APOLLO Products

3G Electric supplies APOLLO asme section iv 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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Compatible alternatives & equivalents

Cross-referenced by specification & description
APOLLO Relief Valve: FNPT x FNPT, 3/4 in x 3/4 in, Bronze, 80 psi Max. Op Pressure (MPN 1041810)
APOLLO
APOLLO Relief Valve: FNPT x FNPT, 3/4 in x 3/4 in, Bronze, 80 psi Max. Op Pressure (MPN 1041810)
APOLLO Relief Valve: FNPT x FNPT, 3/4 in x 1 in, Bronze, 160 psi Max. Op Pressure (MPN 1061405)
APOLLO
APOLLO Relief Valve: FNPT x FNPT, 3/4 in x 1 in, Bronze, 160 psi Max. Op Pressure (MPN 1061405)
APOLLO Relief Valve: MNPT x FNPT, 3/4 in x 3/4 in, Bronze, 94 psi Max. Op Pressure (MPN 1041710)
APOLLO
APOLLO Relief Valve: MNPT x FNPT, 3/4 in x 3/4 in, Bronze, 94 psi Max. Op Pressure (MPN 1041710)
APOLLO Relief Valve: FNPT x FNPT, 1 1/2 in x 2 in, Bronze, 160 psi Max. Op Pressure (MPN 1061715)
APOLLO
APOLLO Relief Valve: FNPT x FNPT, 1 1/2 in x 2 in, Bronze, 160 psi Max. Op Pressure (MPN 1061715)
APOLLO Relief Valve: FNPT x FNPT, 1 1/4 in x 1 1/2 in, Bronze, 160 psi Max. Op Pressure (MPN 1061605)
APOLLO
APOLLO Relief Valve: FNPT x FNPT, 1 1/4 in x 1 1/2 in, Bronze, 160 psi Max. Op Pressure (MPN 1061605)
APOLLO Relief Valve: FNPT x FNPT, 1 in x 1 1/4 in, Bronze, 160 psi Max. Op Pressure (MPN 1061515)
APOLLO
APOLLO Relief Valve: FNPT x FNPT, 1 in x 1 1/4 in, Bronze, 160 psi Max. Op Pressure (MPN 1061515)

More from APOLLO

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APOLLO Safety Relief Valve: FNPT x FNPT, 1 1/4 in x 1 1/4 in, Bronze, 174 psi Max. Op Pressure (MPN 1060634)
APOLLO
APOLLO Safety Relief Valve: FNPT x FNPT, 1 1/4 in x 1 1/4 in, Bronze, 174 psi Max. Op Pressure (MPN 1060634)
APOLLO Safety Relief Valve: FNPT x FNPT, 2 in x 2 in, Bronze, 174 psi Max. Op Pressure (MPN 1060815)
APOLLO
APOLLO Safety Relief Valve: FNPT x FNPT, 2 in x 2 in, Bronze, 174 psi Max. Op Pressure (MPN 1060815)
APOLLO Safety Relief Valve: MNPT x FNPT, 3/4 in x 3/4 in, Cast Bronze, 150 psi Max. Op Pressure (MPN 1740203)
APOLLO
APOLLO Safety Relief Valve: MNPT x FNPT, 3/4 in x 3/4 in, Cast Bronze, 150 psi Max. Op Pressure (MPN 1740203)
APOLLO Safety Relief Valve: FNPT x FNPT, 2 in x 2 in, Bronze, 174 psi Max. Op Pressure (MPN 1060820)
APOLLO
APOLLO Safety Relief Valve: FNPT x FNPT, 2 in x 2 in, Bronze, 174 psi Max. Op Pressure (MPN 1060820)
APOLLO Safety Relief Valve: FNPT x FNPT, 1 in x 1 in, Bronze, 174 psi Max. Op Pressure (MPN 1060505)
APOLLO
APOLLO Safety Relief Valve: FNPT x FNPT, 1 in x 1 in, Bronze, 174 psi Max. Op Pressure (MPN 1060505)
APOLLO Relief Valve: FNPT x FNPT, 1 1/2 in x 2 in, Bronze, 160 psi Max. Op Pressure (MPN 1061710)
APOLLO
APOLLO Relief Valve: FNPT x FNPT, 1 1/2 in x 2 in, Bronze, 160 psi Max. Op Pressure (MPN 1061710)
APOLLO Relief Valve: MNPT x FNPT, 3/4 in x 3/4 in, Bronze, 94 psi Max. Op Pressure (MPN 1041705)
APOLLO
APOLLO Relief Valve: MNPT x FNPT, 3/4 in x 3/4 in, Bronze, 94 psi Max. Op Pressure (MPN 1041705)
APOLLO Relief Valve: FNPT x FNPT, 1 1/4 in x 1 1/2 in, Bronze, 160 psi Max. Op Pressure (MPN 1061615)
APOLLO
APOLLO Relief Valve: FNPT x FNPT, 1 1/4 in x 1 1/2 in, Bronze, 160 psi Max. Op Pressure (MPN 1061615)