Delavan 7800 Series Diaphragm Pump 12V, 60 PSI, 2.0 GPM, Demand Pump, QA Ports Delavan 7802-201 PowerFlo Demand Diaphragm Pump Max. 2.0 gpm, Max. 60 psi, Max. 5.7 amps, Max. 140 F, Max. 14' suction lift QA Ports: 5/8" quick attach inlet and outlet Voltage: 12V DC electric motor 60 psi demand switch; Polypropylene housing, Viton valves, Santoprene diaphragm