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Watts Temperature and Pressure Relief Valve: Section XIII ASME Section, MNPT x FNPT - ASME Section XIII Temperature & Pressure Relief Valves
WattsASME Section XIII Temperature & Pressure Relief Valves

Watts Temperature and Pressure Relief Valve: Section XIII ASME Section, MNPT x FNPT

The WATTS Temperature and Pressure Relief Valve is an ASME Section XIII valve with a bronze body. This model, MPN 3/4 LF40XL-5-150/210FS, features MNPT x FNPT connections.

SKU 3G-OTH-430642

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

Watts
Manufacturer Part Number
3/4 LF40XL-5-150/210FS
Type
MNPT x FNPT, Bronze
Body Material
Bronze
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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 bronze body. This model, MPN 3/4 LF40XL-5-150/210FS, features MNPT x FNPT connections.

Frequently Asked Questions

What is the WATTS 3/4 LF40XL-5-150/210FS temperature and pressure relief valve used for?

This WATTS valve is used to protect water heaters and storage tanks from excessive temperature and pressure. It automatically opens to relieve pressure or temperature when preset limits are exceeded, preventing equipment damage. It is commonly installed in commercial and industrial hot water systems.

What are the specifications of the WATTS 3/4 LF40XL-5-150/210FS valve?

This WATTS valve has a bronze body and features MNPT x FNPT connections. It is an ASME Section XIII rated temperature and pressure relief valve. The manufacturer part number is 3/4 LF40XL-5-150/210FS. It is designed for use in water heating systems requiring reliable overpressure and overtemperature protection.

Where to buy the WATTS 3/4 LF40XL-5-150/210FS valve worldwide?

You can source the WATTS 3/4 LF40XL-5-150/210FS valve from 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time on this bronze ASME Section XIII relief valve.

How to install a WATTS temperature and pressure relief valve?

Install the WATTS valve directly into the tank or piping using the MNPT x FNPT connections. Ensure the discharge pipe is directed downward and away from people or equipment. Do not cap or plug the outlet. Follow local plumbing codes and the manufacturer's instructions for proper placement and safety.

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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