Grundfos Pressure Booster Pump, Centrifugal Booster Pump, 208-230 V, 0.01 to 2.8 A, 0.603 hp Horsepower Rating, 1 ph, 550 W Wattage, 20.3 gpm Flow Rate, 1 in Inlet, 1 in Outlet, 145.04 psi Working Pressure Rating, <44 dBA Sound Level, 32 to 113 deg F, Composite, 15.9 in L x 7.6 in W x 11.9 in H, Additional Information: 5200 rpm Speed, 147.6 ft Maximum Head, 13.2 gpm Rated Flow Rate, 88.59 ft Rated Head, IEC 85 F Insulation Class, Carbon/Ceramic Primary Shaft Seal, 87 psi Maximum Permissible Inlet Pressure