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This 1/2 inch double check valve backflow preventer assembly is designed to prevent the backflow of polluted water from entering into the potable water supply due to backsiphonage and or backpressure in accordance with national plumbing codes and water authority requirements
No special tools required for changing parts
Complete replacement assembly
It is 6 mil thick
The legs embossed with incremental markings allow contractors to easily adjust the height to the most commonly used fixture requirements
Watts 174A 035 FS 3/4 - Part of the 174A Series inlet-protection-finder This 1/2 inch double checkThis pressure relief valve has a 3 4 inch NPTF female inlet and outlet and a 35 psi pressure relief setpoint. The valve can be used for hot water space heating boiler applications to protect against excessive pressure. It features a bronze body, non metallic disc to metal seating, and test lever. Includes a nonrestrictive discharge drain line flood sensor with SentryPlus Alert technology to detect excessive water discharges from the relief valve.
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