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

Watts Temperature and Pressure Relief Valve: MNPT x FNPT

The WATTS LF100XL-4 M7 is an ASME Section IV Temperature & Pressure Relief Valve with a 3/4 in x 3/4 in MNPT x FNPT connection. Its body is constructed from a Copper Silicon Alloy, as specified by the manufacturer.

SKU 3G-OTH-437120

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

Watts
Manufacturer Part Number
LF100XL-4 M7
Body Material
Copper Silicon Alloy
Connection Size
3/4 in x 3/4 in
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Watts Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The WATTS LF100XL-4 M7 is an ASME Section IV Temperature & Pressure Relief Valve with a 3/4 in x 3/4 in MNPT x FNPT connection. Its body is constructed from a Copper Silicon Alloy, as specified by the manufacturer.

Frequently Asked Questions

What is the WATTS LF100XL-4 M7 temperature and pressure relief valve used for?

The WATTS LF100XL-4 M7 is an ASME Section IV temperature and pressure relief valve designed to protect water heaters and storage tanks from excessive temperature or pressure. It automatically opens to discharge water when unsafe conditions occur, preventing equipment damage and ensuring system safety.

What are the specifications of the WATTS LF100XL-4 M7 valve?

The WATTS LF100XL-4 M7 has a 3/4 in x 3/4 in MNPT x FNPT connection and a body made of Copper Silicon Alloy. It is an ASME Section IV rated temperature and pressure relief valve, suitable for commercial and industrial hot water systems requiring reliable overpressure and overtemperature protection.

Where to buy the WATTS LF100XL-4 M7 valve worldwide?

3G Electric supplies the WATTS LF100XL-4 M7 temperature and pressure relief valve to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact our team for a quote and lead time on this ASME Section IV valve.

How to install a WATTS temperature and pressure relief valve?

Install the WATTS LF100XL-4 M7 valve in the designated tapping of the water heater or tank, ensuring the sensing element extends into the tank. Connect the inlet with pipe thread sealant, and route the discharge pipe downward to a safe drain. Follow local codes and the manufacturer's instructions for proper operation.

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 iv 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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