The Liberty Pump FL31M-2 is a manual submersible effluent sump pump with a 1/3HP, 115 V motor and a 25' quick-disconnect power cord. The Liberty FL31M-2 submersible effluent sump pump has a discharge of 1-1/2" NPT. Regardless of the control type, be sure that when the Liberty FL31M-2 effluent sump pump shuts off, at least 3-1/2" of fluid is left in the basin so the impeller remains submerged. The Liberty Pump FL31M-2 features vortex style impeller made of high temperature engineering polymer, which allows for 3/4" solids handling. This sump/effluent pump can handle liquids up 140F and has a 19' shut off head.
This submersible sump/effluent pump is intended to be run using an approved liquid level control or approved motor control. The minimum pit diameter on this sump/effluent pump is 14" in sump conditions and 18" in effluent conditions. The Liberty FL31M-2 was specifically designed for STEP Systems, LPP Systems, Mound Systems, Liquid Waste Transfer and Commercial Sump Applications. This pump should not be run dry.