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10 Best water powered backup sump pumps of 2026
Explore top picks
Best Choice1
Clicked 27 times in the last monthLiberty PumpsLiberty Pumps SJ10A-EYE SumpJet Water Powered Back-Up Sump Pump with NightEye Wireless Alarm
9.6Exceptional
Our Rating
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Value for Money2
BasepumpBasepump HB1000-PRO Premium High Volume Water Powered Backup Sump Pump - Reliable Auto Sump Pump Backup System with High Water Alarm for Basement Flood Prevention - No Battery or Electricity Needed
9.5Excellent
Our Rating
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3
Liberty PumpsLiberty Pumps SJ10 SumpJet Water Powered Back-Up Pump, Gray
Key specs-
Power Source:Corded Electric
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Size:1-1/2
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Maximum Flow Rate:19.8 Gallons Per Minute
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Material:PVC
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Voltage:N/A
9.2Excellent
Our Rating
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4
ZoellerZoeller 540 FLEX Water-Powered Backup Sump Pump System – No Battery or Electricity Required - Installs Horizontally or Vertically - Works During Sump Pump Failure - ¾″ Inlet / 1-½″ Discharge
9.1Excellent
Our Rating
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5
K2GP Enterprises RP00S0026 Control Valve Replacement for Water Powered Sump Pump
9.0Excellent
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6
BasepumpBasepump RB750 Water Powered Backup Sump Pump - Reliable Auto Sump Pump Backup System with High Water Alarm for Basement Flood Prevention - No Battery or Electricity Needed
Key specs-
Power Source:Battery Powered
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Size:16L x 4W x 6H
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Maximum Flow Rate:15 Gallons Per Minute
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Material:Polypropylene
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Voltage:9 Volts
8.9Very Good
Our Rating
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7
StarStar 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
Key specs-
Power Source:Water Pressure
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Size:One Size
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Maximum Flow Rate:20 GPM
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Material:Plastic
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Voltage:N/A
8.8Very Good
Our Rating
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8
Liberty PumpsSumpJet® Water Powered Backup Emergency Sump Pump with NightEye® Wireless Alarm
8.7Very Good
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9
BasepumpBasepump HB1000-AVB Water Powered Backup Sump Pump with AVB Back-flow Prevent - Reliable Auto Sump Pump Backup System with High Water Alarm - No Battery or Electricity Needed
8.6Very Good
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10
FlotecFlotec FP480WBU Emergency Sump Pump
8.5Good
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