Backup Pump Comparison

  BW_BU_Big_Dog


BW_BU_Special

BW_BU_Emergency
POWERFUL
Pumping capacity (in gallons per hour at a 10-ft. height) 2200 GPH 1850 GPH 1000 GPH
Approximate hours of pumping with Basement Watchdog:
Big Standby Battery 50 hours* 60 hours* 100 hours*
Emergency Standby Battery Not recommended Not recommended 50 hours*
Maintenance Free/AGM Standby Battery** 40 hours* 48 hours* 80 hours*
Runs intermittently for days on a single charge Check_mark Check_mark Check_mark
Charger strength (the higher the amps, the faster it will recharge the battery) 20 amps 1.6 amps 0.4 amps
AUTOMATIC
Switches automatically to battery power when AC power fails Check_mark Check_mark Check_mark
Pumps automatically when water volume exceeds the capacity of the main AC pump Check_mark Check_mark Check_mark
Recharges automatically when power is restored Check_mark Check_mark Check_mark
Monitors battery and power conditions constantly Check_mark Check_mark Check_mark
Charges the battery, then the charger shuts off to extend the life of the battery Check_mark Check_mark  
Runs the pump weekly to ensure it is working properly Check_mark Check_mark  
VERSATILE
Accommodates maintenance or maintenance free (AGM) batteries Check_mark Check_mark Check_mark
Connect two batteries to further extend the run time of the system Check_mark Check_mark  
Pumps on AC power as well as battery power Check_mark    
Capable of pumping and charging the battery simultaneously Check_mark    
MONITORING
Detects irregularities, sounds an alarm, and pinpoints problems and solutions on the control panel Check_mark Check_mark Check_mark
Displays the battery charge level Check_mark    
REMOTE NOTIFICATION
USB data port to connect to the Basement WiFi or Home Automation Module Check_mark Check_mark  
Remote terminal for connection to a security system, auto dialer or other device Check_mark Check_mark  
AUDIBLE AND VISUAL ALARMS
Battery needs water Check_mark Check_mark Check_mark
Battery is old and needs to be replaced Check_mark Check_mark Check_mark
Battery is discharged or defective Check_mark Check_mark Check_mark
Battery cable is loose or terminals are corroded Check_mark Check_mark Check_mark
Power, fuse or circuit breaker has failed Check_mark Check_mark Check_mark
Pump has been activated, check the main pump for failure Check_mark Check_mark Check_mark
Pump is clogged or broken and needs to be cleaned or replaced Check_mark    
The alarm can be silenced during a power outage Check_mark Check_mark Check_mark

* 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 that include the Remote Terminal are compatible with the Basement Watchdog Maintenance Free/AGM Battery.

Using a maintenance free battery with an older non-compatible system may cause false alarms. Please call us at (800) 991-0466 opt. 3 for questions about compatibility.

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