LIBERTY 1/3HP SUMP 257/441
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 257 and is capable of pumping up to 50 GPM. For complete primary pump specifications see Liberty's 250-series literature. For complete back-up pump specifications see Liberty's Model 441 literature.