Watts Temperature and Pressure Relief Valve: Section XIII ASME Section, MNPTF x FNPTF
The WATTS Temperature and Pressure Relief Valve is an ASME Section XIII valve, model 1 40XL-4-125/210 FS, with a bronze body. It features MNPTF x FNPTF connections.
SKU 3G-OTH-430673
Need installation or engineering help?
Ask a question
Product Description
The WATTS Temperature and Pressure Relief Valve is an ASME Section XIII valve, model 1 40XL-4-125/210 FS, with a bronze body. It features MNPTF x FNPTF connections.
Frequently Asked Questions
What is the WATTS 1 40XL-4-125/210 FS temperature and pressure relief valve used for?
This WATTS ASME Section XIII valve protects water heaters and storage tanks from excessive temperature and pressure. It automatically opens to relieve pressure or temperature when set limits are exceeded, preventing equipment damage. The bronze body resists corrosion in potable water and hydronic systems.
What are the specifications of the WATTS 1 40XL-4-125/210 FS valve?
This WATTS valve is an ASME Section XIII temperature and pressure relief valve with a bronze body. It has MNPTF x FNPTF connections and the manufacturer part number is 1 40XL-4-125/210 FS. The bronze construction provides durability in high-temperature water applications.
Where to buy the WATTS 1 40XL-4-125/210 FS valve worldwide?
3G Electric supplies the WATTS 1 40XL-4-125/210 FS valve worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on this bronze ASME Section XIII relief valve.
How to install a WATTS temperature and pressure relief valve?
Install the WATTS valve in the designated opening of the water heater or tank, ensuring the sensing element extends into the tank. Use thread sealant on the MNPTF x FNPTF connections. The discharge pipe must be directed downward and terminate near a floor drain. Never cap or plug the outlet.
Used in
Common applications for WattsWatts Products
3G Electric supplies Watts asme section xiii temperature & pressure relief valves. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.















