Model 441
Battery Back-Up Emergency Sump Pump System
Battery operated 12 Volt DC
Adapts to 1-1/2 or 1-1/4 Discharge
Liberty's model 441 takes over when the power goes out. Operating from the power of a marine-grade deep-cycle battery*, the 441 features a high-output 12 volt pump, advanced 5-stage charging system, easy-connect terminal block, battery box and plumbing connections. *(Battery not included.) Designed to be used in conjunction with a primary 120V sump pump.
  
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Model 441
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See Sales literature PDF for various
model configurations.
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