Pump Only packs complete and ready for attachment to gasoline engine. Pedestal pump for long coupling to electric motor. IMPORTANT: Recommended horsepower, listed below, is for water only. Heavier fluids may require additional horsepower or a trimmed impeller. CAUTION-WARNING: Please do not run pumps dry, restrict or reduce port sizes or dead head pumps. This could cause component failure to pump. DO NOT USE WITH FLAMMABLE LIQUIDS.