Watts Relief Valve: FNPTF x FNPTF, 2 in x 2 in, Bronze
SKU 3G-OTH-442504
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Frequently Asked Questions
What is a Watts 174A relief valve used for?
The Watts 174A relief valve is used to protect hot water heating systems from overpressure. It automatically opens when system pressure exceeds its set point, preventing damage to boilers, tanks, and piping. This ASME Section XIII valve is common in commercial and industrial hydronic applications.
What are the specifications of the Watts 2 174A 030 FS relief valve?
The Watts 2 174A 030 FS is a 2 in x 2 in FNPTF x FNPTF bronze relief valve with a maximum operating pressure of 150 psi. It is ASME Section XIII rated for hot water service. The bronze body resists corrosion in high-temperature hydronic systems.
Where to buy a Watts 174A relief valve worldwide?
3G Electric supplies the Watts 174A relief valve to customers worldwide. As a global industrial sourcing partner, we handle logistics, customs clearance, and delivery to your site. Contact us for a quote and lead time on this ASME Section XIII valve.
How to install a Watts 174A pressure relief valve?
Install the Watts 174A in the hot water system's discharge line with the valve stem vertical. Ensure no shutoff valve is placed between the valve and the system. Pipe the discharge to a safe drain location per local codes. Always follow the manufacturer's installation instructions.
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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.















