Automatic 1/3 HP Sump Pump with Vertical Magnetic Float Switch
The Liberty 237 is part of the 230-Series and offers a reliable, compact solution for residential sump dewatering. It features a heat-dissipating, deep-finned aluminum motor housing and a **Vertical Magnetic Float (VMF) switch**, enabling automatic operation in tight sump pits down to 10" diameter. With a 1½ discharge and vortex-style impeller, it can handle moderate debris while delivering efficient flow up to ~45 GPM.
Key Features & Benefits
- Vertical Magnetic Float (VMF) — ideal for smaller sump wells and reliable automatic control. :
- Deep-Finned Aluminum Motor Housing — enhances cooling compared to cast-iron alternatives.
- Compact Form Factor — height ~10.5 and works in small-diameter pits (as little as 10).
- 1½ Discharge & Vortex Impeller — enables good flow while resisting clogging.
- Quick-Connect Power Cord — allows easier cord replacement without opening the pump housing.
- Thermal Overload Protection — safeguards motor under strain (standard in Liberty effluent / sump models).
Specifications
| Model | 237 |
| Horsepower | 1/3 HP |
| Discharge Size | 1½ FNPT |
| Max Flow | ~45 GPM |
| Height | 10.5" |
| Sump Pit Min. Diameter | 10" |
| Construction | Deep-finned aluminum motor housing, polypropylene base, vortex impeller |
The Liberty 237 blends compact footprint, automatic control via VMF float, and enhanced cooling for efficient sump operation in confined spaces. Always consult Liberty’s full spec and install manual when setting up your system.