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Basement Sentry Water Powered Backup Sump Pump System (STWB140) Uses Water Pressure - No Electricity or Batteries Required, Automatically Self Activates in Emergency & Pumps up to 20 GPM - - Amazon.com
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BurCam 300400 Sump Buddy Water Driven Backup Sump Pump Brass Valve & Pump, 1200 GPH Max: Amazon.com: Tools & Home Improvement
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THE BASEMENT WATCHDOG Model BWSP 2,600 GPH at 0 ft. and 1,850 GPH at 10 ft. Special CONNECT Battery Backup Sump Pump System with WiFi Capable 24 Hour a Day Monitoring Controller -
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Basement Watchdog BWE 1000 Gallons Per Hour Basement Watchdog Emergency Back-Up Sump Pump - Sump Pump Battery Backup - Amazon.com
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Basement Sentry Automatic Emergency Backup Sump Pump System (12V Battery Powered) Provides Additional Protection Against Basement Flooding When Power Goes Out - - Amazon.com
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THE BASEMENT WATCHDOG Model DFK961 1/3 HP Combination Submersible Sump Pump with Cast Iron / Cast Aluminum Primary Sump Pump and a 24 Hour a Day Monitoring Emergency Battery Backup Sump Pump
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PumpSpy PS2000 WiFi Battery Backup Sump Pump System with Internet Monitoring & Alerts - - Amazon.com
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