Cool running and efficient, the 450-Series features a deep-finned powder coated aluminum motor housing, polypropylene base and vortex style impeller. Topped-off with a quick-disconnect power cord and Liberty's VMF switch (model 457) the 450-Series offers a superior value in a 1/2 hip pump.
A fully assembled pump combination that features a primary 115 volt automatic sump pump and the model 441 battery back-up pump. The Model 441 provides uninterrupted pumping in the event of power outage or main pump failure. When the 441 is operating, audible and visual alarm warns of backup pump operation. The Model 441 back-up pump is capable of pumping up to 44 GPM. This system includes primary pump check valve and back-up pump check valve. The primary pump included in this system is Liberty's Model 457 and is capable of pumping up to 52 GPM. For complete primary pump specifications see Liberty's 450-series literature. For complete back-up pump specifications see Liberty's Model 441 literature.