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Spec Sheet Install Manual

Rugged and dependable heavy-duty cast iron pump with powder coat finish.

Liberty's "workhorse" sump pump features a unique one-piece cast iron body, quick-disconnect power cord and three different switch options - including our Vertical Magnetic Float design (VMF) for smaller pits (model 257).

With a durable, epoxy powder coat finish and vortex style impeller, Liberty's 250-series pump is the perfect choice for low-head effluent pumping or basement de-watering.


  • Unique one-piece cast body eliminates motor housing seal ring
  • Durable epoxy powder coat finish
  • Vortex style impeller
  • Permanently sealed and lubricated bearings
  • Quick-disconnect 10’ standard power cord allows replacement of cord in seconds without breaking seals to motor (other lengths available)
  • Heavy duty VMF switch on vertical float models
  • Rugged 1/3 hp motor, oil filled with thermal overload protection.
  • 1/2" solids handling.
  • 1-1/2" discharge.
  • Fasteners – all non-corrosive stainless steel.
  • 416 stainless steel rotor shaft.


    • Model: 257
    • HP: 1/3
    • Volts: 115V
    • Phase: 1
    • Amps: 5.2
    • Automatic: Wide-angle float with series plug
    • Shut Off Head: 22 ft
    • Impeller: Vortex
    • Height: 10.5"
    • Major Width: 9.6"
    • Weight: 20 lbs.

    Sump Pumps

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