The Liberty Pump 450 is a 1/2HP manual submersible sump pump with a motor design that can reduce electrical usage by 40%. This submersible sump pump has a 1-1/2"NPT discharge and can handle solids up to 3/8". This manual sump pump has a max lift of 34" and can be operated by plugging directly into an approved electrical outlet. The Liberty Pump 450 manual submersible sump pump should not be run dry in order to prevent excessive seal wear and overheating. This sump pump requires a minimum sump diameter of 14".
A minimum 4-1/2" water level is recommended, when using the Liberty Pump 450. If manual models are to be used with an optional control device, follow the instructions provided with that control and make power connections per those instructions. Set the turn-off level at 4-1/2" or greater on this sump pump.