Watts B1156F Boiler Feed Water Pressure Regulator, FNPT x F, 1 2 in Pipe Size, Bronze, 10 psi to 25 psi DTP 11 ULC Compatible Fluids Flammables Can ULC Compatible Fluids Flammables Can Type Type I DOT Approved No For Use With Liquid Flammables Includes Flame Arrestor 625 psi Flow Maximum 9 Series 1156F Body Material Bronze Connection Type Threaded Max Pressure 100 psi Seal Material Buna N For Media Water Inlet Connection Gender Female Pilot Adjustment Maximum 25 psi Pilot Adjustment Minimum 10 psi Outlet Connection Type NPT Inlet Connection Type NPT Operating Temperature Maximum 212 Degrees F Operating Temperature Minimum 33 Degrees F Outlet Connection Gender Female Operating Pressure Maximum 100 psi