Automatic Sump/Effluent Pump w/ Wide Angle Float Switch, 10' cord, 1/2 HP, 115V
Brand: Liberty Pumps
Part#: 281
Usually ships: within 5-7 business days

Liberty Pumps 281 is a 1/2HP Automatic Submersible Sump/Effluent Pump with wide-angle quick-disconnect float switch (mercury-free, mechanically activated) and 10ft power cord. This Liberty Pump features a unique one-piece cast iron housing and thermally protected & permanently lubricated motor.

The switch of this pump is factory-preset and is not adjustable. Turn-on level of the switch is 13-1/2" and turn-off level is 7". Other pumping differentials may be obtained by tethering the switch cord to the discharge pipe. NOTE: A minimum cord length of 3-1/2" from the tether point to the top surface of the float is required for proper switch operation. If using a differential other than the factory setting, be sure that when the pump shuts off, at least 3-1/2" of fluid is left in the basin so the impeller remains submerged.

Liberty Pumps 281 has 1-1/2" NPT discharge, 3/4" solids-handling and 37' shut-off head.

For added protection, consider the addition of a back-up pump such as Liberty's SJ10 SumpJet, as well as an alarm such as Liberty's ALM-2 in applications where loss of pump function could result in property damage. If an alarm is used, it must be connected to a separate electrical circuit.

CAUTION: Do not let the pump run dry.


Applications:
  • De-watering
  • Sump
  • Effluent

Features:
  • Vortex style impeller permitting passage of solids up to 3/4"
  • 416 stainless steel rotor shaft
  • Permanently lubricated upper and lower ball bearing
  • Carbon and ceramic mechanical face seal
  • Epoxy powder coat finish
  • All fasteners - corrosion-resistant stainless steel
  • 1-1/2" Discharge
  • Stainless steel bottom screen - easily removable
  • Quick-disconnect 10' standard power cord
  • Maximum fluid temperature: 140°F
 
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Technical Specifications:
  • Horsepower: 1/2 HP
  • Cord length: 10'
  • Discharge: 1-1/2"
  • Solids Handling: up to 3/4"
  • Shut-off Head: 37'
  • Voltage: 115V
  • RPM: 3450
  • Amps: 8.5
  • Hertz: 60 Hz
  • Phase: 1
  • Maximum fluid temperature: 140°F
  • Height: 13"
  • Width: 10"
  • Weight: 29 lbs.
  • Minimum pit/basin diameter: 14" in Sump and 18" in Effluent applications
  • Minimum pit/basin depth: 18" in Sump and 24" in Effluent applications
 
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Warranty:
3 years manufacturer's warranty
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