The Liberty Pump PC457-441 is a pre-assembled sump pump combo with a 1/2HP primary sump pump (Liberty PC 457) and a battery sump pump back-up system (Liberty 441). This sump pump can handle 3/8" solids and needs a minimum sump diameter of 15" to operate. The Liberty 457 automatic submersible sump pump is equipped with a magnetically operated vertical float (VMF) switch and has a max lift of 34'. It has a 1-1/2" discharge and comes drop-in-pit ready.
The Liberty Pump-441 is a battery sump pump back-up system that provides uninterrupted pumping in the event of a power outage or main pump (Liberty Pump PC 457) failure. The sump pump back-up system offers 5 stage battery charging (12V) and protection from battery burn-out or overcharging.