Watts 408 OSY RW 10 Part of the 408 OSY RW Series Pipe Connection Fitting Its durable cast iron construction ensures Its durable cast iron construction ensures long service life 25 GPM Hot Inlet Temperature Range 120 to 180 degree F Hot Water Inlet Connection Size 3 8 IN Hot Water Inlet Connection Type Push to connect Hot Water Inlet Thread Type Does Not Apply To Product Lead Free YES Maximum Pressure Differential 20 Percent Maximum Working Pressure PSI 150 Minimum Differential Temperature Fahrenheit 5 Minimum Static Pressure PSI 30 Outlet Connection Size 3 8 IN Outlet Connection Type Push to connect Outlet Temperature Accuracy + 3 degree F Outlet Thread Type Does Not Apply To Product Part Number 0204154 Series LFUSG B Temperature Adjustment Range 80 to 120 degree F Specification Sheet LFUSG B M3 It features an epoxy coated cast iron body with flanged connections and cast iron handwheel