Fast Self- Priming, heavy-duty pump is constructed of rugged cast iron and corrosive resistant thermoplastic. Ideal for lawn sprinkling applications. The self-priming design works on automatic sprinkling systems, and also for de-watering and water transfer applications. Heavy-duty 1,1/2 and 2 HP designed for continuous operation. Easy service design for quick access to normal wear parts 2"jsuction and 1-1/2" discharge pip sizes. All units are dual voltage 115/ 230 v Factory set at 230 v Wiring diagrams are permanently affixed on each motor for easy field change to 115v.