For a basement that floods hard and often, where an owner wants maximum flow with a 5 year warranty and an all cast iron build.
Amazon $432.164 Zoeller sump pumps ranked. Each one is scored and ranked against every brand in its size, so "#3 mid-size" means third of all mid-size sump pumps here, not third among Zoeller's own.
Zoeller makes 4 current sump pumps: 2 up to 1/3 HP and 2 1/2 HP and up. Prices run from $188.33 for the Zoeller M53 Mighty-Mate to $432.16 for the Zoeller M95 Premium. Its best-rated model in each size: the Zoeller M63 Premium (#9 of 16 up to 1/3 HP, rated 3.0) and the Zoeller M95 Premium (#5 of 17 1/2 HP and up, rated 3.5).
Prices were last checked October 31, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.
Zoeller sump pumps 4
- Zoeller M95 Premium#5 1/2 HP and upFull review
For a basement that floods hard and often, where an owner wants maximum flow with a 5 year warranty and an all cast iron build.
Amazon $432.16$432.161/2 HP4,000 GPHVertical float - Zoeller M98 Flow-Mate#7 1/2 HP and upFull review
For basements with a high water table or a deep pit where a 1/3 HP pump runs constantly. The cast iron build suits long, heavy duty cycles.
Amazon $328.80$328.801/2 HP3,660 GPHVertical float - Zoeller M63 Premium#9 up to 1/3 HPFull review
For owners who want the longest lasting 1/3 HP class pump and are willing to pay for an all cast iron build and a 5 year warranty.
Amazon $311.25$311.250.3 HP2,040 GPHVertical float - Zoeller M53 Mighty-Mate#10 up to 1/3 HPFull review
For a typical basement where you want a proven cast iron pump that will run for years. Buyers with a lift over 15 ft should step up to a 1/2 HP pump.
Amazon $188.33$188.330.3 HP2,040 GPHVertical float