The Watts B911S - 1/2" Sweat Combo Backflow Preventer & Pressure Reducing Valve (0386462) is a high-quality plumbing component designed to regulate water pressure and prevent backflow contamination in residential and commercial applications. This dual-function valve ensures a consistent and safe water supply by automatically reducing incoming water pressure to a desired level while also preventing the reverse flow of potentially contaminated water into the potable water system.

For an efficient and reliable HVAC system, the Watts Flow Preventer & Pressure Reducing Valve » is a great choice for optimal system performance.

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