Liberty Pumps®

257 1-Phase Low-Head Submersible Effluent Pump

LIB257 MFG #: 257
257 1-Phase Low-Head Submersible Effluent Pump
  • Maximum Head: 23 ft
  • Motor HP: 1/3 HP
  • Rated Head: 5 ft
  • Voltage Rating: 115 VAC
  • Amperage Rating: 5.2 FLA/8 A Locked Rotor
  • Bearing Type: Ball/Race
  • Cord Length: 10 ft
  • Cord Type: 10 ft SJTW
  • Dimensions: 9.6 in W x 10.5 in H
  • Enclosure Type: NEMA 4X Outdoor/NEMA 1 Indoor
  • Flow Rate: 44 gpm
  • Frequency Rating: 60
  • Impeller Type: Engineered Polymer Vortex
  • Manufacturer: Liberty Pumps
  • Manufacturer #: 257
  • Material: Cast Iron
  • Motor Speed: 3450 rpm
  • Non-Automatic / Automatic: Automatic
  • Outlet Size: 1-1/2 in
  • Phase: 1
  • Series: 250
  • Temperature Rating: 221 deg F Thermal Overload
  • Type: Low-Head
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.

Liberty Pumps® Submersible Effluent Pump, 1-Phase Low-Head, Series: 250, 44 gpm Maximum Flow Rate, 5 ft Rated Head, 1-1/2 in Outlet, 23 ft Maximum Head, 1/3 hp, 115 VAC, 5.2 FLA/8 A Locked Rotor, 60 Hz, 3450 rpm Motor, 10 ft SJTW Cord, Engineered Polymer Vortex Impeller, 221 deg F Thermal Overload, NEMA 4X Outdoor/NEMA 1 Indoor, Ball/Race Bearing, Cast Iron, 9.6 in W x 10.5 in H
  • Features
  • Product Videos
  • 1/2 in solids handling
  • Unique one-piece cast body eliminates motor housing seal ring
  • Durable epoxy powder coat finish
  • Permanently sealed and lubricated bearings
  • Quick-disconnect power cord allows replacement of cord in seconds without breaking seals to motor
  • 140 deg F maximum fluid
  • Class B stator winding
  • Integral vertical magnetic float operation
  • Heavy duty VMF switch on vertical float models