Standard 2" Backflow Preventer

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Designed to give maximum protection against backflow caused by back-pressure or back-siphonage from a cross-connection wherein a contaminant hazard exists (i.e. a health hazard), o r a pollutant hazard exists (i.e. a non-hazard).Consists of two spring-loaded poppet type valves and a mechanically independent, hydraulically dependent pressure differential relief valve.Three top mounted test cocks ensure easy access during repair and maintenance when unit is installed in tight places. Show more