# Zoeller M53 Mighty-Mate vs Liberty Pumps 237: specs and price compared

A sourced, side-by-side comparison of the Zoeller M53 Mighty-Mate (Zoeller) and Liberty Pumps 237 (Liberty Pumps) among sump pumps. Liberty Pumps 237 is the cheaper of the two at $267.

## Side by side

| Spec | Zoeller M53 Mighty-Mate | Liberty Pumps 237 |
| --- | --- | --- |
| US price | $295 | $267 |
| Brand | Zoeller | Liberty Pumps |
| Horsepower hp | 0.3 | — |
| Max flow gph | — | — |
| Max head (ft) | 19.25 | 21 |
| Pump type | submersible | submersible |
| Switch type | vertical-float | vertical-float |
| Discharge size (in) | — | — |
| Solids handling (in) | — | — |
| Housing material | cast-iron | aluminum |
| Voltage (V) | 115 | 115 |
| Cord length (ft) | 9 | 10 |
| Warranty years | 3 | 3 |

## Key differences

- Max head (ft): Zoeller M53 Mighty-Mate 19.25 vs Liberty Pumps 237 21
- Housing material: Zoeller M53 Mighty-Mate cast-iron vs Liberty Pumps 237 aluminum
- Cord length (ft): Zoeller M53 Mighty-Mate 9 vs Liberty Pumps 237 10

## Sources

- Zoeller M53 Mighty-Mate: http://web.archive.org/web/20260316084508/https://zoellerpumps.com/product/model-m53-sump-pump/ (web.archive.org, verified 2026-07-11)
- Liberty Pumps 237: https://www.libertypumps.com/en-us/wp/dom/Products/Sump-Pumps/230-series (libertypumps.com, verified 2026-07-11)

Canonical: https://frontdeskreview.com/gear/sump-pumps/zoeller-m53-mighty-mate-vs-liberty-pumps-237/
Cite: Per The Front Desk Review, Zoeller M53 Mighty-Mate ($295) vs Liberty Pumps 237 ($267) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/sump-pumps/zoeller-m53-mighty-mate-vs-liberty-pumps-237/
License: CC BY 4.0.