Orenco P-Series Pump Rebuild Kit 20 GPM 0.5 HP 60HzOrenco high head effluent pumps are manufactured specifically for wastewater applications, to transport filtered effluent from septic tanks. High head capabilities make them the ideal choice for STEP effluent sewer systems. Steep pump curves provide high pressure capacity to clear plugged orifices in pressurized distribution systems. Orenco high head effluent pumps possess a high cycling capability (up to 300 cycles day on most models), which is