Febco - LF856DCDA-LG-GPM 3 - Part of the LF856 Series Geotextile model 774 and double check

model 774 and double check detector assembly backflow preventer

This valve has a basic design that is time tested and proven and offers durability and years of continuous trouble free operation

This 4 IN stainless steel double check detector backflow preventer assembly with a post indicator valve

architectural installation

Kostil polymer window

Febco - LF856DCDA-LG-GPM 3 - Part of the LF856 Series Geotextile model 774 and double checkThis 3 inch lead free MasterSeries double check detector backflow preventer assembly prevents the backflow of pollutants due to backsiphonage and or backpressure that are objectionable but not toxic, from entering into the potable water supply. It is ideal for protection of non health hazard cross connections or for containment at the service line entrance. It is used primarily on fire sprinkler and standpipe systems requiring detection of