Backup Pump Comparison
* Based on a 10% duty cycle. Run times may vary based on inflow of water.
** Older versions, before 2014 of the Basement Watchdog Special, Basement Watchdog Big Dog and Basement Watchdog Big Combo systems may not be compatible with maintenance free batteries. Using a maintenance free battery with an older system may cause false alarms. Please call (800) 991-0466 for questions of compatibility.