Sale! Zoeller 98-0001 115-Volt 1/2 Horse Power Model M98 Flow-Mate Automatic Cast Iron Single Phase Submersible Sump/Effluent Pump $426.00 $338.50 1/2 HP pump for residential sump pits or septic tanks Automatic model with integral float switch, 1½” discharge, passes 1/2″ solids Performance: 72 GPM at 5′ head, shut-off: 23′ TDH Add to cart