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Description
The 257 Liberty Pump is a 1/3 HP Automatic Submersible Sump Pump that is magnetically operated with a vertical float VMF switch and 10ft power cord. It is a unique one-piece cast iron housing and thermally protected & permanently lubricated motor.This pump can operate in a 10" diameter sump pit, handles solids up to 1/2", and has a 18' shut-off head.

Model 257 is for Sump and De-watering Applications only. This Vertical Magnetic Float (VMF) model is not recommended for effluent applications due to their short On/Off cycle. Wide angle float models such as Liberty Pumps 251 and 253 are better suited for effluent applications and are easily adjustable for different On/Off levels.

Features:
  • Rugged 1/3 HP motor, oil filled with thermal overload protection
  • 1/2" solids handling
  • 1-1/2" Discharge
  • Hermetically sealed motor and switch cavities, and permanently lubricated bearings
  • Liberty's UNI-BODY casting - a solid, one piece housing that eliminates the lower motor seal ring found on other pumps
  • Epoxy powder coat finish
  • Vortex style impeller for superior solids-handling. Made of high temperature engineering polymer
  • Fasteners all made of non-corrosive stainless steel
  • 416 stainless steel rotor shaft
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Specs
Type:
Automatic
Cord Length:
10'
Voltage:
115v
Horse Power:
1/3
Shutoff Head (ft.):
23
Flow at 5 FT Head:
45 GPM
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