Liberty Pumps

1-1/2" Discharge, HUB X FPT, 115 VAC 60 Hz 1-phase, 5.2 A, 1/3 HP, 3450 RPM, 44 GPM, Epoxy Powder Coated, Class 25 Cast Iron, Submersible, Automatic, 1-piece, Sump/effluent Pump

3924 MFG #: 257
  • Horsepower: 1/3 hp
  • Flow Rate: 44 gpm
  • Discharge: 1-1/2"
  • Amps: 5.2
  • Voltage Rating: 115V
  • Cord Length: 10'
  • Specifications
  • Description
  • Documents
  • Type: Submersible, Automatic, 1-Piece
  • Discharge Size: 1-1/2 Inch
  • End Connection: Hub x Female Threaded
  • Overall Dimensions: 9-3/5 Inch Width x 10-1/2 Inch Height
  • Float Type: Integral Vertical Magnetic
  • Flow Rate: 44 GPM at 5 Foot
  • Discharge Head: 23 Foot
  • Casing Material: Class 25 Cast Iron
  • Shaft Material: 416 Stainless Steel
  • Housing Material: Class 25 Cast Iron
  • Impeller Material: Engineered Polymer
  • Impeller Design: Vortex
  • Warranty: 3 Year
  • Shaft Seal Details: Engineered Double Lip Seal with Stainless Steel Spring
  • Solid Size: 1/2 Inch
  • Power Cord Length: 10 Foot
  • Power Rating: 1/3 HP
  • Input Supply Rating: 115 Volt AC 60 Hertz 1-Phase 5.2 Amp
  • Speed Rating: 3450 RPM
  • Temperature Rating: 140 Deg F (Liquid), 266 Deg F (Stator), 221 Deg F (Thermal Overload)
  • Motor Type: NEMA B Class B Insulation, Thermal Overload Protection, Hermetically Sealed, Oil Filled, Permanent Split Capacitor
  • Inclusions/Features: Buna-N O-Ring, Stainless Hardware, Stainless Steel Fastener
  • Application: Effluent Pumping, Basement Dewatering
  • Applicable Standard: CSA (Canada and US), SSPMA, ISO 9001
  • Additional Information: Finish Epoxy Powder Coated; Current Rating 8 Amp (Locked Rotor); Power Cord Type SJTW
Liberty Pumps "workhorse" sump pump features a unique one-piece cast iron body, quick-connect power cord and three different switch options - including our Vertical Magnetic Float (VMF) design for smaller pits (model 257). With a durable epoxy powder coat finish and vortex-style impeller, Liberty Pumps 250-Series pump is the perfect choice for low-head effluent pumping or basement dewatering.