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WATTS 3/4 LF100XL 125-210 ASME Section IV Temperature & Pressure Relief Valve - ASME Section IV Temperature & Pressure Relief Valves
WattsASME Section IV Temperature & Pressure Relief Valves

WATTS 3/4 LF100XL 125-210 ASME Section IV Temperature & Pressure Relief Valve

The WATTS Temperature and Pressure Relief Valve is an ASME Section IV temperature and pressure relief valve with a 3/4 in MNPT x 3/4 in FNPT connection size. Its body is constructed from copper silicon alloy, and the…

SKU 3G-OTH-437119

Also listed as: 34LF100XL125210 · 3 4 LF100XL 125 210 · 3-4-LF100XL-125-210

Brand
Watts
Item
3/4 LF100XL 125-210 ASME Section IV Temperature & Pressure Relief Valve
Part Number
3/4 LF100XL 125-210
Category
ASME Section IV Temperature & Pressure Relief Valves
Available to Order
Also known as:3/4 LF100XL 125-210Watts
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Technical Specifications

Watts
Manufacturer Part Number
3/4 LF100XL 125-210
Body Material
Copper Silicon Alloy
Connection Size
3/4 in x 3/4 in

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3G Electric (S) Pte. Ltd. — Singapore

Product Description

The WATTS Temperature and Pressure Relief Valve is an ASME Section IV temperature and pressure relief valve with a 3/4 in MNPT x 3/4 in FNPT connection size. Its body is constructed from copper silicon alloy, and the manufacturer part number is 3/4 LF100XL 125-210.

Frequently Asked Questions

What is a WATTS temperature and pressure relief valve used for?

A WATTS temperature and pressure relief valve protects water heaters and storage tanks from overpressure and overtemperature. It automatically opens to discharge water when pressure or temperature exceeds safe limits, preventing catastrophic failure. This ASME Section IV valve is suitable for commercial and industrial hot water systems.

What are the specifications of the WATTS 3/4 LF100XL 125-210 valve?

The WATTS 3/4 LF100XL 125-210 is an ASME Section IV temperature and pressure relief valve with a 3/4 in MNPT x 3/4 in FNPT connection size. Its body is made of copper silicon alloy. The manufacturer part number is 3/4 LF100XL 125-210, and it is designed for water heater and tank protection.

Where to buy a WATTS temperature and pressure relief valve worldwide?

3G Electric supplies the WATTS temperature and pressure relief valve worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for a quote on the 3/4 LF100XL 125-210 or other WATTS valve models.

How to install a WATTS temperature and pressure relief valve?

Install the WATTS valve in the tank's T&P port with the sensing element immersed in the top 6 in of water. Use thread sealant on the MNPT connection, orient the discharge pipe downward, and ensure no valve is placed between the relief valve and the tank. Follow local codes and manufacturer instructions.

Used in

Common applications for Watts
Commercial plumbing – Watts standard capacity water pressure regulators (3/8 LF 26AB) for stabilizing incoming water pressure
Industrial steam systems – Watts 152A series steam pressure regulators for pressure reduction in process and heating lines
Cross-connection control – Watts 757 double check backflow preventers for commercial and industrial water supply protection
Boiler safety – Watts ASME Section XIII temperature and pressure relief valves for overpressure protection in heating systems
Hydronic heating – Watts CP16 pilot-operated pressure regulators for maintaining consistent pressure in steam or water loops
Water hammer mitigation – Watts LF15M2-A water hammer arrestors for absorbing surges in quick-closing valve applications
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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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