Backup Sump Pump Liberty - PC237-441

Price: $569.25
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Liberty Backup Pump-PC237-441 Sump Pump

A fully assembled pump combination that features a primary 115 volt sump pump and the model 441 battery back-up pump. Pre-assembled Primary Pump and Battery Back-up System. Compact design provides secure basement protection. Drop-in-the-pit ready

1/3 hp. 1 1/2" Discharge 3/8" Solids Handling


  • Fully assembled and automatic operation
  • Primary pump 1/3 hp
  • Ready to connect to 1-1/2" discharge
  • Provides uninterrupted pumping in the event of power outage or main pump failure
  • Compact profile will fit minimum 15" diameter sump pits
  • Back-up pump (Model 441) offers 5 stage battery charging and protection from battery burn-out or overcharging (12V deep cycle battery not included)
  • Audible and visual alarm warns of backup pump operation
  • System includes primary pump check valve and back-up pump check valve

Included in complete system:

  • Primary Pump, 115 V
  • 441 Back-up Pump, 12 VDC
  • 1-1/2" PVC piping with rubber coupler between primary pump and back-up pump (rubber coupler provides easy removal and serviceability of back-up pump)
  • Check valve included on primary pump and back-up pump
  • Completely assembled
  • Maximum fluid temperature 140˚ F
  • Battery not included. (12 volt marine-type deep cycle battery M27 recommended)

Minimum pit size for above system 15" diameter x 18" deep For complete primary pump specifications see appropriate 237 literature. For complete back-up pump specifications see model 441 literature.