A valve that ensures water in your pipes only flows one direction — preventing contaminated water from getting back into the clean water supply.
A mechanical device installed in a plumbing system to prevent contaminated water from flowing backward into the potable water supply. Backflow can occur when pressure drops in the supply line, creating a siphon effect. Types include reduced pressure zone (RPZ) assemblies, double check valves, and pressure vacuum breakers, each suited to different hazard levels.
The irrigation system required an RPZ backflow preventer to protect the potable water supply from potential fertilizer contamination.
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