Pump Self-Priming Flexible Impeller 1/2 hp HP Voltage 115/230 Amps 8.8/4.4 Inlet/Outlet (In.) 1 NEMA Motor Frame 56 Impeller Material Epichlorohydrin Length (In.) 20 in Width (In.) 9 in Height (In.) 13 1/2 in GPM of Water @ 10 ft of Head 25 gpm GPM of Water @ 30 ft of Head 11 gpm Max Head (ft) 70 ft Max Pressure (PSI) 30 psi Suction Lift (ft) 18 Max SSU @ 1725 RPM 500 SUS GPM of Water @ 0 ft of Head 30 gpm GPM of Water @ 11 ft of Head 24 gpm