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Watts Temperature and Pressure Relief Valve: Section XIII ASME Section - ASME Section XIII Temperature & Pressure Relief Valves
WattsASME Section XIII Temperature & Pressure Relief Valves

Watts Temperature and Pressure Relief Valve: Section XIII ASME Section

The WATTS Temperature and Pressure Relief Valve is an ASME Section XIII valve with a Copper Silicon Alloy body. It is identified by manufacturer part number 3/4 LF40XL-5-125/210FS and features MNPTF x FNPTF connections.

SKU 3G-OTH-430670

Brand
Watts
Item
Temperature and Pressure Relief Valve: Section XIII ASME Section
Category
ASME Section XIII Temperature & Pressure Relief Valves
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Technical Specifications

Watts
Manufacturer Part Number
3/4 LF40XL-5-125/210FS
Type
MNPTF x FNPTF
Body Material
Copper Silicon Alloy
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Watts Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The WATTS Temperature and Pressure Relief Valve is an ASME Section XIII valve with a Copper Silicon Alloy body. It is identified by manufacturer part number 3/4 LF40XL-5-125/210FS and features MNPTF x FNPTF connections.

Frequently Asked Questions

What is the WATTS 3/4 LF40XL-5-125/210FS temperature and pressure relief valve used for?

This WATTS valve is used to protect water heaters and storage tanks from excessive temperature or pressure. It automatically opens to relieve pressure or discharge hot water when conditions exceed safe limits, preventing equipment damage or failure in commercial and industrial hot-water systems.

What are the specifications of the WATTS 3/4 LF40XL-5-125/210FS valve?

This ASME Section XIII valve has a Copper Silicon Alloy body and MNPTF x FNPTF connections. The manufacturer part number is 3/4 LF40XL-5-125/210FS. It is designed for temperature and pressure relief applications in water systems, meeting ASME Section XIII standards for safety and performance.

Where to buy the WATTS 3/4 LF40XL-5-125/210FS valve worldwide?

3G Electric supplies the WATTS 3/4 LF40XL-5-125/210FS valve worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on this ASME Section XIII relief valve.

How to install the WATTS 3/4 LF40XL-5-125/210FS temperature and pressure relief valve?

Install the WATTS valve in the designated tapping of the water heater or tank, ensuring the sensing element extends into the tank. Connect piping to the outlet to safely discharge water. Follow local codes and the manufacturer's instructions for proper orientation and support. Always test after installation.

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 temperature & 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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