Pentair | sku: 521038 Myers 0.4 Hp Cast Iron Sump Pump 4/10 HP Packaged Sewage System. for residential septic tank sewage. Oil filled motor for maximum heat dissipation. 19 ft. maximum head. 95 GPM. 2 NPT discharge. Handles up to 2 in. solids. 10 ft. power cord. Tethered automatic switch.|Oil-filled motor... Log in for pricing