Watts 174A 145 FS 1 Part of the 174A Series ZA100F 2NH 79 bar) and the temperature 79 bar) and the temperature range is 33 to 150 degrees F (0 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 Socket 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 Socket Outlet Temperature Accuracy + 7 degree F Outlet Thread Type Does Not Apply To Product Part Number 0559121 Series LFMMV Temperature Adjustment Range 80 to 120 degree F Wi Fi Enabled No Specification Sheet LFMMV and test lever 740 (French)