Product Details: Multi-Stage Booster Pump, 1 HP, 1 Phase, Voltage 115/230, 13/6.3 Amps, 3/4 In. NPT Inlet, 3/4 In. NPT Outlet, Stages 12, GPM @ 10 PSI 15.4, Max. Pressure 171 psi, Housing Material Cast Iron, Impeller Material Noryl, Impeller Type Closed, Max. Case Pressure 300 psi, Max. Liquid Temp. 140 Degrees F, Motor Enclosure ODP, Seal Material Carbon/Ceramic, Stainless Steel 304, Buna-N, Wetted Materials 304 Stainless Steel,Cast Iron, Noryl, Nylon, Polycarbonate, Carbon-Ceramic, Buna-N