Febco LF850 DNRS DC 10 Part of the LF850 Large Series ZA100F 4NH This 10 inch reduced pressure This 10 inch reduced pressure detector backflow preventer assembly with its exclusive design incorporating the patented air in and water out principle for protection from the reverse flow of fire protection system substances from being pumped or siphoned into the potable water supply due to backsiphonage and or backpressure 5 to 20 GPM Hot Inlet Temperature Range 120 to 180 degree F Hot Water Inlet Connection Size 1 IN Hot Water Inlet Connection Type Union CPVC Hot Water Inlet Thread Type Does Not Apply To Product Lead Free YES Maximum Pressure Differential 25 percent Maximum Working Pressure PSI 150 Minimum Differential Temperature Fahrenheit 5 Minimum Static Pressure PSI 30 Outlet Connection Size 1 IN Outlet Connection Size Metric 25 MM Outlet Connection Type Union CPVC Outlet Temperature Accuracy + 3 degree F Outlet Thread Type Does Not Apply To Product Part Number 0559163 Series LFMMV Temperature Adjustment Range 80 to 120 degree F Wi Fi Enabled No Specification Sheet LFMMV and replaceable check discs and seats It is ideal for protection in continuous pressure piping applications and at cross connections identified as non health hazards and for other non toxic contaminants at the service line entrance