Product Features Cast iron motor housing allowing for optimal heat dissipation Premium mechanical seal design provides superior protection against sand and abrasive damage (Silicon Carbide/Silicon Carbide/BUNA) Engineered motor designed for peak hydraulic performance without overloading Durable cast iron base for stability Cast iron impeller with dual vanes. Balanced for smooth operation (3/4 HP, high head is glass reinforced thermoplastic) Corrosion resistant hardware for lifetime use Capable of running dry without damage to components Designed for continuous operation when fully submerged All models have NEMA three prong grounding plugs Available in automatic and manual models Approved for residential use (CSA/CUS Listed) 3 year warranty Specifically designed for the following uses: Homes Farms Trailer courts Motels Schools Hospitals Small business Effluent systems