A secondary pump used to protect a basement from flooding in the event of a power outage or primary pump failure. Backup pumps can be battery operated or water powered.

Jun 22, 2011 · 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 …

Ideal for emergency power outages, this battery backup sump pump system with alarm ensures reliable basement flood protection. Ideal for homeowners needing a compact, automatic pump system for …

Huge selection of Liberty Backup Sumps. Buy Liberty Back Up Sump Pump Direct and save.

Stay flood-free with Liberty Pumps backup sump pumps—battery and water-powered options.

The Liberty Pumps SumpJet SJ10 is a water-powered, sump-pump back-up system that will protect your basement in the case of a power outage. The SumpJet is fully automatic, arrives completely …

This pump operates from the power of a 12 volt deep cycle battery (battery not included). The 441-10A features an efficient 12 volt pump, 1-1/2 in. back-up connection tee, primary pump check valve, and …

Sep 25, 2005 · With a compact high efficiency design, the SumpJet removes 2-Gallon of sump water per 1-Gallon used (based on 5-Foot lift). The SumpJet is fully automatic, arrives completely assembled, …

With a compact high-efficiency design, the SumpJet 115-Volt removes 2 gallons of sump water per 1 gallon used. The SumpJet115-Volt is fully automatic, arrives completely assembled, and comes …