Big John Little Giant submersible sump pump for residential and light commercial use, the manual sump pump provides efficient and reliable service. Pump features a 1-1/2" discharge with an 18Õ maximum head. Cast iron motor housing is oil-filled for lifetime lubrication and rapid heat dissipation. Poly carbonate cover and polypropylene volute-base. Garden Hose Adapter included for utility use. Manual operation (pump easily converted to automatic operation using the RS-5). One year limited warranty. Mechanical shaft seal 1/3 HP/115 Volt/10' Power Cord Bottom intake with screened inlet 1-1/2" MNPT x 1-1/4" FNPT (31.7mm) Reducer Bushing Epoxy coated housing for corrosion and rust resistance Thermal overload protection. Manufacturer No. 506271