Master Plumber, 1 HP, Cast Iron Shallow Well Jet Pump, For well applications to 25' depth to water, dual voltage motor (115V/230V) preset at 230V with EZ change switch to change to 115V, Built-in pre-wired pressure switch set for 30-50 operation, self-priming after pump housing is initially filled, Performance: GPM 0' = 24, 5' = 22.5, 10' = 20.5, 15' = 18, 20' = 14, 25' = 10, check valve or foot valve required, sold separately, 1-1/4" suction and 1" discharge. 1-year Warranty.