Watts Relief Valve: FNPTF x FNPTF, 2 in x 2 in, Bronze
SKU 3G-OTH-442505
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Frequently Asked Questions
What is the Watts 2 174A 075 FS relief valve used for?
The Watts 2 174A 075 FS is an ASME Section XIII hot water pressure relief valve used in commercial and industrial hydronic systems. It protects boilers, water heaters, and storage tanks from overpressure by automatically opening at a set pressure, preventing catastrophic failure in high-temperature water applications.
What are the specifications of the Watts 2 174A 075 FS relief valve?
This Watts relief valve has a 2-inch FNPTF x FNPTF connection, a bronze body, and a maximum operating pressure of 150 psi. It is ASME Section XIII certified for hot water service. The manufacturer part number is 2 174A 075 FS, and it is designed for reliable overpressure protection in industrial systems.
Where to buy the Watts 2 174A 075 FS relief valve worldwide?
You can source the Watts 2 174A 075 FS relief 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; we supply genuine Watts components for international projects.
How to install a Watts 2 174A 075 FS relief valve?
Install the Watts relief valve in the hot water system's discharge line with the arrow on the body pointing in the flow direction. Ensure the valve is upright and the discharge pipe is sized to handle full flow. Follow local codes and ASME guidelines; never cap or block the outlet. Test operation after installation.
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3G Electric supplies Watts asme section xiii hot water pressure relief valves. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.















