Apollo™ 4ALF727C2ST, Backflow Preventer, Series: RPDA2LF4A, 1-1/2 in Nominal, 175 psi Pressure, 33 to 140 deg F, Reduced Pressure Backflow, Media: Water, Bronze Body, 10-1/2 in H Dimensions, Domestic

The Apollo™ Model RPDA24A or RPDA2LF4A Lead Free 1-1/2 in - 2 in Reduced Pressure Detector Assembly consists of a mainline reduced pressure principle backflow preventer (RP) with a Type 2 bypass consisting of a single check (SCV) and meter bypassing the mainline second check to prevent backflow while accurately measuring all flows up to 2 gpm while the mainline 2nd check remains closed. The pressure drop across the assembly shall be documented by independent approval agencies. The assembly shall prevent contamination of the potable water supply due to back-siphonage or backpressure from substances that are health and non-health hazards. This Made in America assembly features Apollo™ UL® Listed, slow-close, full open port, gear operated ball valves with integral tamper switches and carries the five-year Apollo™ factory warranty.