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Watts Temperature and Pressure Relief Valve: MNPT x FNPT, 3/4 in x 3/4 in Connection Size - ASME Section IV Temperature & Pressure Relief Valves
WattsASME Section IV Temperature & Pressure Relief Valves

Watts Temperature and Pressure Relief Valve: MNPT x FNPT, 3/4 in x 3/4 in Connection Size

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. It features a brass body and is identified by manufacturer…

SKU 3G-OTH-437107

Brand
Watts
Item
Temperature and Pressure Relief Valve: MNPT x FNPT, 3/4 in x 3/4 in Connection Size
Category
ASME Section IV Temperature & Pressure Relief Valves
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Technical Specifications

Watts
Manufacturer Part Number
3/4 100XL-175/210
Type
Brass
Body Material
Brass
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 temperature and pressure relief valve with a 3/4 in MNPT x 3/4 in FNPT connection size. It features a brass body and is identified by manufacturer part number 3/4 100XL-175/210.

Frequently Asked Questions

What is the WATTS 3/4 100XL-175/210 temperature and pressure relief valve used for?

This ASME Section IV valve protects water heaters and boilers from over-temperature and over-pressure conditions. It automatically opens to relieve excess pressure or temperature, preventing catastrophic failures in residential and commercial hydronic systems.

What are the specifications of the WATTS 3/4 100XL-175/210 valve?

This valve has a brass body with a 3/4 in MNPT x 3/4 in FNPT connection size. It is an ASME Section IV temperature and pressure relief valve manufactured by WATTS, with part number 3/4 100XL-175/210. It is designed for use on hot water storage tanks and heating boilers.

Where to buy the WATTS 3/4 100XL-175/210 valve worldwide?

3G Electric supplies the WATTS 3/4 100XL-175/210 valve worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time.

How to install a WATTS temperature and pressure relief valve?

Install the valve in the designated tapping on the water heater or boiler, ensuring the sensing element extends into the tank. The discharge pipe must be directed downward and terminate near a floor drain. Never install a shutoff valve between the relief valve and the tank.

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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