Crawl Space Encapsulation Supplies

Questions/Tech Support? Call 864-223-7800 / M-F 8.30am-5pm
Free Shipping over $200 for lower 48 states click for more details

Home of the Only Authentic Crawl Space Encapsulation® Products


Shipping Quote

Auto shipping quotes on your order may seem high. IF THEY DO, please contact us at 864-223-7800 we can do an actual shipping cost quote that will likely be much less than the cart calculates. 

Battery Back up Sump Pump for crawl spaces and basements, by Liberty Pumps.

Price: $435.08
In stock
Availability: In Stock
Ships Next Day or Sooner™

Item #: BTY-BUP
Availability: In Stock
Ships Next Day or Sooner™

This is the Liberty 441 battery back up sump pump. This pump comes complete with a battery powered sump pump, a battery charger, a check valve and the necessary connections for installation.

Battery sold seperatly.

Use a deep-cycle marine battery which can be purchased at any battery store that sells auto or marine batteries.
This battery back up can not be installed by itself, it is required to have a standard 110-120v sump pump installed. This back up pump is installed in the PVC plumbing for the standard pump. Please call us if you have any question.

Click to enlarge

Crawl Space Battery Back up

Back up pump

  • Battery Box
  • 12v back up pump
  • Float switch
  • Check valve
  • Threaded receiver
  • Battery Charger/Monitor
  • Audible in use alarm