We ship worldwide — Singapore, Australia, Malaysia, Indonesia, Philippines, India, Middle East & more

Watts Ball And Relief Valve: PEX x PEX, 3/4 in x 3/4 in, Bronze, 400 psi Max. Op Pressure - Non-Code Air, Inert Gas & Liquids Pressure Relief Valves
WattsNon-Code Air, Inert Gas & Liquids Pressure Relief Valves

Watts Ball And Relief Valve: PEX x PEX, 3/4 in x 3/4 in, Bronze, 400 psi Max. Op Pressure

The WATTS Ball And Relief Valve is a non-code pressure relief valve for air, inert gas, and liquids, with a PEX x PEX connection. This 3/4 in x 3/4 in bronze valve has a maximum operating pressure of 400 psi and a…

SKU 3G-OTH-437943

Also listed as: 34LFBRVM1PXPXB125 · 3 4 LFBRVM1PXPXB 125 · 3-4-LFBRVM1PXPXB-125

Brand
Watts
Item
Ball And Relief Valve: PEX x PEX, 3/4 in x 3/4 in, Bronze, 400 psi Max. Op Pressure
Category
Non-Code Air, Inert Gas & Liquids Pressure Relief Valves
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support

Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

Watts
Manufacturer Part Number
3/4 LFBRVM1PXPXB-125
Type
3/4 in x 3/4 in, Bronze, 210°F
Max. Op Pressure
400 psi

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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

Product Description

The WATTS Ball And Relief Valve is a non-code pressure relief valve for air, inert gas, and liquids, with a PEX x PEX connection. This 3/4 in x 3/4 in bronze valve has a maximum operating pressure of 400 psi and a temperature rating of 210°F (MPN 3/4 LFBRVM1PXPXB-125).

Frequently Asked Questions

What is the Watts 3/4 LFBRVM1PXPXB-125 ball and relief valve used for?

This Watts valve is used for non-code air, inert gas, and liquid pressure relief applications. It combines a ball valve and relief valve in one bronze body, rated for 400 psi maximum operating pressure and 210°F, with PEX x PEX 3/4-inch connections.

What are the specifications of the Watts 3/4 LFBRVM1PXPXB-125?

The Watts 3/4 LFBRVM1PXPXB-125 is a bronze ball and relief valve with 3/4-inch PEX x PEX connections. It has a maximum operating pressure of 400 psi and a maximum temperature of 210°F. The manufacturer part number is 3/4 LFBRVM1PXPXB-125.

Where to buy the Watts 3/4 LFBRVM1PXPXB-125 worldwide?

3G Electric supplies the Watts 3/4 LFBRVM1PXPXB-125 ball and relief valve to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this bronze, 400 psi, 210°F valve.

How to install a Watts PEX ball and relief valve?

Install the Watts valve by connecting the 3/4-inch PEX ends using standard PEX crimp or clamp rings. Ensure the valve body is supported and the relief port is unobstructed. Follow local plumbing codes and the manufacturer's instructions for pressure and temperature limits.

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 non-code air, inert gas & liquids pressure relief valves. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Compatible alternatives & equivalents

Cross-referenced by specification & description
WATTS Ball And Relief Valve: FNPT x FFPT, 3/4 in x 3/4 in, Bronze, 400 psi Max. Op Pressure (MPN 3/4 LFBRVM1TXTXC-125)
Watts
WATTS Ball And Relief Valve: FNPT x FFPT, 3/4 in x 3/4 in, Bronze, 400 psi Max. Op Pressure (MPN 3/4 LFBRVM1TXTXC-125)
WATTS Ball And Relief Valve: FNPT x FFPT, 3/4 in x 3/4 in, Bronze, 400 psi Max. Op Pressure (MPN 3/4 LFBRVM1TXTXB-125)
Watts
WATTS Ball And Relief Valve: FNPT x FFPT, 3/4 in x 3/4 in, Bronze, 400 psi Max. Op Pressure (MPN 3/4 LFBRVM1TXTXB-125)
Non-code pressure relief valve for air, inert gas, and liquids. Bronze body with 3/4-inch socket x socket connections. Maximum operating pressure 400 psi. Suitable for systems requiring overpressure protection in non-code applications
Watts
Non-code pressure relief valve for air, inert gas, and liquids. Bronze body with 3/4-inch socket x socket connections. Maximum operating pressure 400 psi. Suitable for systems requiring overpressure protection in non-code applications
WATTS Ball And Relief Valve: Crimped x Crimped, 3/4 in x 3/4 in, Bronze, 400 psi Max. Op Pressure (MPN 3/4 LFBRVM1PXPXC-125)
Watts
WATTS Ball And Relief Valve: Crimped x Crimped, 3/4 in x 3/4 in, Bronze, 400 psi Max. Op Pressure (MPN 3/4 LFBRVM1PXPXC-125)
WATTS Ball And Relief Valve: FNPT x FFPT, 3/4 in x 3/4 in, Bronze, 400 psi Max. Op Pressure (MPN 3/4 LFBRVM1TXTXC-80)
Watts
WATTS Ball And Relief Valve: FNPT x FFPT, 3/4 in x 3/4 in, Bronze, 400 psi Max. Op Pressure (MPN 3/4 LFBRVM1TXTXC-80)
WATTS Ball And Relief Valve: Crimped x Crimped, 3/4 in x 3/4 in, Bronze, 400 psi Max. Op Pressure (MPN 3/4 LFBRVM1SXSXP-80)
Watts
WATTS Ball And Relief Valve: Crimped x Crimped, 3/4 in x 3/4 in, Bronze, 400 psi Max. Op Pressure (MPN 3/4 LFBRVM1SXSXP-80)

More from Watts

View all Watts parts
Brass pressure relief valve with 3/4 in MNPT inlet and 1/2 in FNPT outlet. Rated for 175 psi maximum operating pressure and 180°F. Suitable for overpressure protection in air, inert gas, and liquid systems such as industrial piping, compressors, and hydraulic circuits
Watts
Brass pressure relief valve with 3/4 in MNPT inlet and 1/2 in FNPT outlet. Rated for 175 psi maximum operating pressure and 180°F. Suitable for overpressure protection in air, inert gas, and liquid systems such as industrial piping, compressors, and hydraulic circuits
Non-code pressure relief valve for air, inert gas, and liquids. Bronze body with 3/4 in crimped x crimped connections. Maximum operating pressure 400 psi. Used in industrial piping, compressed air lines, and hydraulic circuits to protect against overpressure
Watts
Non-code pressure relief valve for air, inert gas, and liquids. Bronze body with 3/4 in crimped x crimped connections. Maximum operating pressure 400 psi. Used in industrial piping, compressed air lines, and hydraulic circuits to protect against overpressure
Non-code pressure relief valve for air, inert gas, and liquid systems. Brass body with 1/2 in male NPT inlet and 1/2 in female NPT outlet. Rated for maximum operating pressure of 175 psi and maximum temperature of 180°F. Used in industrial piping, compressors, and hydraulic circuits for overpressure protection
Watts
Non-code pressure relief valve for air, inert gas, and liquid systems. Brass body with 1/2 in male NPT inlet and 1/2 in female NPT outlet. Rated for maximum operating pressure of 175 psi and maximum temperature of 180°F. Used in industrial piping, compressors, and hydraulic circuits for overpressure protection
This Watts non-code pressure relief valve is designed for overpressure protection in air, inert gas, and liquid systems. It features a 3/4 in x 3/4 in socket x socket connection, a bronze body, and a maximum operating pressure of 400 psi. The valve combines shut-off and relief functions for industrial piping applications
Watts
This Watts non-code pressure relief valve is designed for overpressure protection in air, inert gas, and liquid systems. It features a 3/4 in x 3/4 in socket x socket connection, a bronze body, and a maximum operating pressure of 400 psi. The valve combines shut-off and relief functions for industrial piping applications
Brass pressure relief valve with 3/4 in MNPTF x 1/2 in FNPTF connections. Rated for maximum operating pressure of 125 psi and maximum temperature of 180°F. Suitable for overpressure protection in air, inert gas, and liquid systems such as industrial piping, compressors, and hydraulic circuits
Watts
Brass pressure relief valve with 3/4 in MNPTF x 1/2 in FNPTF connections. Rated for maximum operating pressure of 125 psi and maximum temperature of 180°F. Suitable for overpressure protection in air, inert gas, and liquid systems such as industrial piping, compressors, and hydraulic circuits
This non-code pressure relief valve is designed for air, inert gas, and liquid systems. It features a brass body with 3/4 in male NPT inlet and 1/2 in female NPT outlet, and operates within a temperature range of 0°F to 180°F. The valve is calibrated and adjustable for overpressure protection in applications such as compressed air lines, hydraulic systems, and process piping
Watts
This non-code pressure relief valve is designed for air, inert gas, and liquid systems. It features a brass body with 3/4 in male NPT inlet and 1/2 in female NPT outlet, and operates within a temperature range of 0°F to 180°F. The valve is calibrated and adjustable for overpressure protection in applications such as compressed air lines, hydraulic systems, and process piping
Brass pressure relief valve with 1/2 in MNPTF x 1/2 in FNPTF connections. Rated for maximum operating pressure of 125 psi and maximum temperature of 180°F. Suitable for overpressure protection in air, inert gas, and liquid systems such as industrial piping, boilers, and hydraulic circuits
Watts
Brass pressure relief valve with 1/2 in MNPTF x 1/2 in FNPTF connections. Rated for maximum operating pressure of 125 psi and maximum temperature of 180°F. Suitable for overpressure protection in air, inert gas, and liquid systems such as industrial piping, boilers, and hydraulic circuits
Non-code pressure relief valve for air, inert gas, and liquid systems. Bronze body with 1/2 in male NPT inlet and 1/2 in female NPT outlet. Rated for maximum operating pressure of 300 psi and maximum temperature of 180°F. Used in industrial piping, compressors, and hydraulic circuits for overpressure protection
Watts
Non-code pressure relief valve for air, inert gas, and liquid systems. Bronze body with 1/2 in male NPT inlet and 1/2 in female NPT outlet. Rated for maximum operating pressure of 300 psi and maximum temperature of 180°F. Used in industrial piping, compressors, and hydraulic circuits for overpressure protection