The Red Lion RL-SPRK150 115/230 Volt, 1.5 HP sprinkler irrigation pump is idea for both residential and commercial lawn and turn sprinkling systems. This pump features a rugged cast iron casing, high efficiency thermoplastic impeller and diffuser and is to easy to prime to 25-ft - no additional priming is required after the initial fill. This pump comes factory set for 230 Volts but can be easily switched to 115 Volts. Instructions are found in the manual. Pump voltage must be set to match source voltage or it will not perform to the specifications.