Pentair Dynamo® 340210 Dynamo® 1-Speed Aboveground Pool Pump with 3' Cord and Switch 1-1/2 HP 115V 12 Amp. The Pentair Dynamo 1-1/2 HP 1 Speed Pump is quiet, efficient and has super-reliable performance. All components are designed for maximum performance and economy in an above ground swimming pool pump.