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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 Temperature and Pressure Relief Valve is an ASME Section IV valve with a copper silicon alloy body and MNPT x FNPT connections. This model (MPN 3/4 LF100XL 175-210) features a 3/4 in x 3/4 in connection size.

SKU 3G-OTH-437135

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
3/4 LF100XL 175-210
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 Temperature and Pressure Relief Valve is an ASME Section IV valve with a copper silicon alloy body and MNPT x FNPT connections. This model (MPN 3/4 LF100XL 175-210) features a 3/4 in x 3/4 in connection size.

Frequently Asked Questions

What is the WATTS Temperature and Pressure Relief Valve used for?

The WATTS Temperature and Pressure Relief Valve is used on hot water storage tanks and boilers to prevent over-temperature and over-pressure conditions. It automatically opens to discharge water when temperature or pressure exceeds safe limits, protecting the system from damage or failure.

What are the specifications of the WATTS 3/4 LF100XL 175-210 valve?

This WATTS valve has a copper silicon alloy body, MNPT x FNPT connections, and a 3/4 in x 3/4 in connection size. It is ASME Section IV rated for temperature and pressure relief. The manufacturer part number is 3/4 LF100XL 175-210.

Where to buy the WATTS 3/4 LF100XL 175-210 valve worldwide?

You can source the WATTS 3/4 LF100XL 175-210 valve through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations, ensuring the valve reaches your facility reliably.

How to install a WATTS temperature and pressure relief valve?

Install the WATTS valve in the tank or boiler tapping, ensuring the sensing element extends into the water. Use thread sealant on the male NPT threads, orient the discharge piping downward, and avoid placing a shutoff valve between the valve and the tank. Follow local codes.

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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