Watts Pressure Relief Valve: FNPTF x FNPTF, 2 in x 2 in, Copper Silicon Alloy
SKU 3G-OTH-442509
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Frequently Asked Questions
What is a Watts pressure relief valve used for?
A Watts pressure relief valve protects hot water systems from overpressure by automatically releasing water when pressure exceeds safe limits. It is commonly installed on boilers, water heaters, and storage tanks in commercial and industrial facilities to prevent equipment damage and ensure safety.
What are the specifications of the Watts 0121566 pressure relief valve?
The Watts 0121566 is an ASME Section XIII hot water pressure relief valve with 2 in FNPTF x 2 in FNPTF connections. It is made of copper silicon alloy and has an overall height of 11 1/2 in. This valve is designed for reliable overpressure protection in high-temperature water systems.
Where to buy a Watts pressure relief valve worldwide?
3G Electric supplies the Watts 0121566 pressure relief valve to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact our team for a quote and lead time on this ASME-rated valve for your hot water system.
How to install a Watts pressure relief valve?
Install the Watts valve in the hot water system 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 without restriction. Always follow local codes and the manufacturer's instructions for safe operation.
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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.















