Features mercury float switch with piggy back plug. Handles up to 1/2" spherical solids. Cast iron motor housing and volute with bottom suction screen. Semi-open, trash type impeller constructed of corrosion-free Noryl for non-clogging operation. Oil filled motor for permanent bearing seal lubrication and efficient heat dissipation. Built-in thermal overload protection with automatic reset. Stainless steel hardware to allow easy disassembly after extended service. 8" oil and water resistant #16-3SJT power cord with integrally grounded 3-prong plug, 1-1/4" NPT discharge.