For replacing the pump in a system that already has its own float switch or control panel.
Amazon $429.97
For a basement bathroom or laundry with a lift of 15 to 20 ft that a 4/10 HP pump would struggle with.
- 118 gpmFlow at 10 ft
- 2 inSolids
- 1/2 HPMotor
- PiggybackSwitch
Price checked November 2, 2026. As an Amazon Associate we earn from qualifying purchases.
- Keeps more than 50 gpm at 20 ft, so it copes with a tall basement lift
- Cast iron motor housing and volute run cool and last
- Piggyback float can be swapped or bypassed without pulling the pump
- Sold by Amazon with a three year maker warranty
- Tethered float needs a basin wide enough for it to swing freely
- Draws 12 A, so it wants its own 15 A circuit
The Liberty LE Series family
Every Liberty LE Series model we rank, smallest first. Ratings compare each against its own motor size.
| Model | Flow at 10 ft | Rating | Price |
|---|---|---|---|
| Liberty Pumps LE41A | 98 gpm | 3.3/5 | $406 |
| Liberty Pumps LE51A (this one) | 118 gpm | 4.0/5 | $442.99 |
| Liberty Pumps LE102A2 1 HP 230 V | 164 gpm | 3.6/5 | $948 |
How it scores
The rating comes from 5 measured or published factors, each scored 0-100 against fixed reference points for its motor size. How we rank explains each one.
Specifications
| Model number | LE51A |
|---|---|
| Pumping | |
| Motor | 1/2 HP |
| Flow at 10 ft | 118 gpm |
| Flow at 20 ft | 54 gpm |
| Shutoff head | 24 ft |
| Solids | 2 in |
| Discharge | 2 in |
| Switch | Piggyback |
| Build | |
| Cast iron | Yes |
| Voltage | 115 V |
| Current | 12 A |
| Cord | 10 ft |
| Weight | 43 lb |
| Warranty | 3 years |
Alternatives in this motor size
For the most flow per dollar in a basement bathroom, if a plastic body and a short warranty are acceptable.
Amazon $230.64For a basement bathroom with a lift up to about 20 ft in a standard 18 in basin.
Amazon $487.62Compare
Compare the Liberty Pumps LE51A with any other sewage ejector pump →
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