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

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

The WATTS Temperature and Pressure Relief Valve is an ASME Section IV valve constructed with a brass body. This product, identified by manufacturer part number LL100XL, features MNPT x FNPT connections.

SKU 3G-OTH-437133

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

Watts
Manufacturer Part Number
LL100XL
Type
MNPT x FNPT, Brass
Body Material
Brass
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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 constructed with a brass body. This product, identified by manufacturer part number LL100XL, features MNPT x FNPT connections.

Frequently Asked Questions

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

The WATTS Temperature and Pressure Relief Valve is used to protect water heaters and storage tanks from excessive temperature or pressure. It automatically opens to relieve excess pressure or temperature, preventing catastrophic failure. This ASME Section IV valve is suitable for commercial and industrial hot water systems.

What are the specifications of the WATTS LL100XL valve?

The WATTS LL100XL is an ASME Section IV temperature and pressure relief valve with a brass body. It features MNPT x FNPT connections and is manufactured by WATTS. The body material is brass, ensuring durability in high-temperature water systems. This valve is designed for pressure and temperature relief applications.

Where to buy the WATTS LL100XL valve worldwide?

You can source the WATTS LL100XL valve through 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. 3G Electric supplies genuine WATTS components for industrial applications.

How to install a WATTS temperature and pressure relief valve?

Install the WATTS valve in the designated tapping of the water heater or tank, ensuring the discharge pipe is directed safely to a drain. Use thread sealant on the MNPT connections and tighten to manufacturer torque specs. Never install a shut-off valve between the relief valve and the tank. Test operation 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 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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