Liberty Pumps LE51M-2 (Manual)

Last updated: November 9, 2026

Liberty Pumps LE51M-2 (Manual)
4.0/5#2 of 20 in up to 1/2 HP sewage pumps
4.0

For a basin run from an alarm panel or duplex controller that needs the LE50 pump without a built in float.

  • 118 gpmFlow at 10 ft
  • 2 inSolids
  • 1/2 HPMotor
  • ManualSwitch
Check price at Amazon$438.90

Price checked November 9, 2026. As an Amazon Associate we earn from qualifying purchases.

Pros
  • 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
  • 25 ft quick connect cord reaches a control panel or outlet well away from the basin
Cons
  • Has no float of its own, so it needs a separate switch or panel
  • Draws 12 A, so it wants its own 15 A circuit
  • Sold on Amazon by a third party for about the price of the automatic LE51A

The Liberty LE Series family

Every Liberty LE Series model we rank, smallest first. Ratings compare each against its own motor size.

ModelFlow at 10 ftRatingPrice
Liberty Pumps LE41A98 gpm3.4/5$366.73
Liberty Pumps LE51M-2 (Manual) (this one)118 gpm4.0/5$438.90
Liberty Pumps LE51A118 gpm4.0/5$442.99
Liberty Pumps LE71A2 3/4 HP125 gpm2.8/5$838.88
Liberty Pumps LE102A2 1 HP 230 V164 gpm4.1/5$533.23

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 numberLE51M-2
Pumping
Motor1/2 HP
Flow at 10 ft118 gpm
Flow at 20 ft54 gpm
Shutoff head24 ft
Solids2 in
Discharge2 in
SwitchManual
Build
Cast ironYes
Voltage115 V
Current12 A
Cord25 ft
Weight43 lb
Warranty3 years

Alternatives in this motor size

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