Compare Sump Pumps

Closely matched sump pumps side by side, 97 pairs in all. Each pair is scored the same way, with the independent tests and specs that separate them. See the full ranking.

Compare any two

FirstChoose a product…Liberty Pumps 237 – $188.95Liberty Pumps 257 – $216.29Liberty Pumps S37 – $165Little Giant 6-CIA – $213.95Little Giant 6EC-CIA-SFS – $220.50Red Lion RL-33SC – $203.84Red Lion RL-SC33T – $182Red Lion RL-SP33PED – $105.84Red Lion RL-SP33V – $114.99Superior Pump 92250 – $95.49Superior Pump 92341 – $140.22Superior Pump 92372 – $113.99Wayne CDU790 – $136.90Wayne SPF33 – $128.20Zoeller M53 Mighty-Mate – $188.33Zoeller M63 Premium – $311.25Flotec FPZS50T – $154.80Liberty Pumps 287 – $323.25Liberty Pumps 457 – $243.05Little Giant 10EC-CIA-SFS – $379.99Little Giant BSC50V – $180.19Little Giant BSP50V – $124.95Red Lion RL-SC50V – $205.77Red Lion RL-SP50T – $137.97Superior Pump 92572 – $129.99Superior Pump 92751 – $194.98Wayne CDU1000 – $254.99Wayne CDU800 – $163.25Wayne CDU980E – $189Wayne HALO50 – $399.89Wayne SPF50 – $145.75Zoeller M95 Premium – $432.16Zoeller M98 Flow-Mate – $328.80vsSecondChoose a product…Liberty Pumps 237 – $188.95Liberty Pumps 257 – $216.29Liberty Pumps S37 – $165Little Giant 6-CIA – $213.95Little Giant 6EC-CIA-SFS – $220.50Red Lion RL-33SC – $203.84Red Lion RL-SC33T – $182Red Lion RL-SP33PED – $105.84Red Lion RL-SP33V – $114.99Superior Pump 92250 – $95.49Superior Pump 92341 – $140.22Superior Pump 92372 – $113.99Wayne CDU790 – $136.90Wayne SPF33 – $128.20Zoeller M53 Mighty-Mate – $188.33Zoeller M63 Premium – $311.25Flotec FPZS50T – $154.80Liberty Pumps 287 – $323.25Liberty Pumps 457 – $243.05Little Giant 10EC-CIA-SFS – $379.99Little Giant BSC50V – $180.19Little Giant BSP50V – $124.95Red Lion RL-SC50V – $205.77Red Lion RL-SP50T – $137.97Superior Pump 92572 – $129.99Superior Pump 92751 – $194.98Wayne CDU1000 – $254.99Wayne CDU800 – $163.25Wayne CDU980E – $189Wayne HALO50 – $399.89Wayne SPF50 – $145.75Zoeller M95 Premium – $432.16Zoeller M98 Flow-Mate – $328.80Compare

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• Up to 1/3 HP 38
• 1/2 HP and up 37
• Across sizes 22

Best 1/3 HP Sump Pumps

• Red Lion RL-33SC vs Wayne CDU790
• Little Giant 6EC-CIA-SFS vs Wayne CDU790
• Wayne CDU790 vs Wayne SPF33
• Little Giant 6EC-CIA-SFS vs Red Lion RL-33SC
• Red Lion RL-SC33T vs Wayne CDU790
• Red Lion RL-33SC vs Wayne SPF33
• Little Giant 6EC-CIA-SFS vs Wayne SPF33
• Red Lion RL-SP33V vs Wayne SPF33
• Red Lion RL-SC33T vs Wayne SPF33
• Red Lion RL-SC33T vs Red Lion RL-SP33V
• Red Lion RL-SP33PED vs Red Lion RL-SP33V
• Liberty Pumps 257 vs Red Lion RL-SP33V
• Liberty Pumps S37 vs Red Lion RL-SP33V
• Liberty Pumps 257 vs Red Lion RL-SC33T
• Liberty Pumps S37 vs Red Lion RL-SC33T
• Liberty Pumps 257 vs Red Lion RL-SP33PED
• Red Lion RL-SP33PED vs Zoeller M63 Premium
• Liberty Pumps 257 vs Zoeller M63 Premium
• Red Lion RL-SP33PED vs Zoeller M53 Mighty-Mate
• Red Lion RL-SP33PED vs Superior Pump 92341
• Liberty Pumps 257 vs Zoeller M53 Mighty-Mate
• Liberty Pumps S37 vs Red Lion RL-SP33PED
• Zoeller M53 Mighty-Mate vs Zoeller M63 Premium
• Liberty Pumps 257 vs Liberty Pumps S37
• Liberty Pumps S37 vs Zoeller M63 Premium
• Liberty Pumps S37 vs Zoeller M53 Mighty-Mate
• Red Lion RL-SP33PED vs Superior Pump 92372
• Superior Pump 92341 vs Superior Pump 92372
• Little Giant 6-CIA vs Superior Pump 92341
• Liberty Pumps 237 vs Superior Pump 92341
• Liberty Pumps 237 vs Liberty Pumps S37
• Little Giant 6-CIA vs Superior Pump 92372
• Liberty Pumps 237 vs Superior Pump 92372
• Red Lion RL-SP33PED vs Superior Pump 92250
• Liberty Pumps 237 vs Little Giant 6-CIA
• Superior Pump 92250 vs Superior Pump 92341
• Little Giant 6-CIA vs Superior Pump 92250
• Liberty Pumps 237 vs Superior Pump 92250

Best 1/2 HP and Bigger Sump Pumps

• Wayne CDU1000 vs Wayne CDU980E
• Superior Pump 92751 vs Wayne CDU980E
• Superior Pump 92751 vs Wayne CDU1000
• Wayne CDU980E vs Zoeller M95 Premium
• Wayne CDU1000 vs Zoeller M95 Premium
• Wayne CDU980E vs Wayne HALO50
• Wayne CDU980E vs Zoeller M98 Flow-Mate
• Wayne CDU1000 vs Zoeller M98 Flow-Mate
• Superior Pump 92751 vs Wayne CDU800
• Superior Pump 92751 vs Zoeller M95 Premium
• Superior Pump 92751 vs Wayne HALO50
• Wayne CDU800 vs Zoeller M95 Premium
• Wayne CDU800 vs Wayne HALO50
• Wayne HALO50 vs Zoeller M95 Premium
• Wayne CDU800 vs Zoeller M98 Flow-Mate
• Wayne CDU800 vs Wayne SPF50
• Zoeller M95 Premium vs Zoeller M98 Flow-Mate
• Wayne HALO50 vs Zoeller M98 Flow-Mate
• Wayne SPF50 vs Zoeller M98 Flow-Mate
• Little Giant BSC50V vs Red Lion RL-SC50V
• Liberty Pumps 287 vs Red Lion RL-SC50V
• Liberty Pumps 287 vs Wayne SPF50
• Liberty Pumps 287 vs Little Giant BSC50V
• Little Giant BSP50V vs Superior Pump 92572
• Little Giant 10EC-CIA-SFS vs Zoeller M98 Flow-Mate
• Little Giant 10EC-CIA-SFS vs Wayne SPF50
• Little Giant 10EC-CIA-SFS vs Little Giant BSC50V
• Flotec FPZS50T vs Red Lion RL-SC50V
• Flotec FPZS50T vs Little Giant BSC50V
• Liberty Pumps 287 vs Little Giant 10EC-CIA-SFS
• Red Lion RL-SP50T vs Superior Pump 92572
• Little Giant BSP50V vs Red Lion RL-SP50T
• Flotec FPZS50T vs Liberty Pumps 287
• Liberty Pumps 457 vs Superior Pump 92572
• Liberty Pumps 457 vs Little Giant BSP50V
• Liberty Pumps 287 vs Liberty Pumps 457
• Liberty Pumps 457 vs Red Lion RL-SP50T

Across sizes

• Red Lion RL-SC50V vs Wayne CDU790
• Wayne CDU790 vs Wayne SPF50
• Liberty Pumps 287 vs Wayne CDU790
• Red Lion RL-33SC vs Red Lion RL-SC50V
• Little Giant BSC50V vs Red Lion RL-33SC
• Little Giant 6EC-CIA-SFS vs Red Lion RL-SC50V
• Little Giant 6EC-CIA-SFS vs Little Giant BSC50V
• Little Giant 6EC-CIA-SFS vs Little Giant BSP50V
• Little Giant BSP50V vs Wayne SPF33
• Red Lion RL-SP33V vs Superior Pump 92572
• Red Lion RL-33SC vs Red Lion RL-SP50T
• Flotec FPZS50T vs Red Lion RL-33SC
• Flotec FPZS50T vs Little Giant 6EC-CIA-SFS
• Red Lion RL-SC33T vs Superior Pump 92572
• Little Giant BSP50V vs Red Lion RL-SC33T
• Red Lion RL-SP50T vs Wayne SPF33
• Liberty Pumps 457 vs Wayne SPF33
• Red Lion RL-SC33T vs Red Lion RL-SP50T
• Liberty Pumps 457 vs Red Lion RL-SP33V
• Liberty Pumps 457 vs Red Lion RL-SC33T
• Liberty Pumps 257 vs Liberty Pumps 457
• Superior Pump 92372 vs Superior Pump 92572