Liberty 450-Series Submersible Sump Pumps Buyers Guide & Review
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The Liberty 450-series submersible sump pumps are built for residential and light commercial applications. These premium pumps combine top-shelf performance with compact design, allowing a pump to be inserted in a wide variety of systems and configurations.

Features:

  • Vortex style impeller permits passage of solids without clogging. Made of high temp engineered thermoplastic
  • Polypropylene and powder coated aluminum construction
  • Stainless steel rotor shaft
  • All fasteners are non-corrosive stainless steel
  • Oil-filled, hermetically sealed motors with thermal overload protection
  • Permanently lubricated upper and lower bearings
  • 1-1/2″ Discharge
  • Removable base allows suction down to 1/8″

The pumps within the 450-series mainly vary in operation and/or float switch type, see chart below.

LIBERTY 450-Series Sump Pumps

Liberty 450 series submersible pumps

Model Comparison Chart

Model Discharge HP Voltage Phase GPM Max. Head Operation Float
450 1-1/2″ 1/2 115 1 52 34′ Manual N/A
451 1-1/2″ 1/2 115 1 52 34′ Automatic Quick-disconnect Wide Angle
453 1-1/2″ 1/2 115 1 52 34′ Automatic Wide Angle w/Series Plug
457 1-1/2″ 1/2 115 1 52 34′ Automatic Magnetic Vertical
PERFORMANCE RATINGS

Liberty 450 series submersible pumps performance curve

DIMENSIONAL DATA

Liberty 450 series submersible pumps dimensional data

TECHNICAL DATA

ELECTRICAL DATA

Liberty 450 series submersible pumps electrical data

BROCHURE
Liberty 450-Series Brochure
MANUAL
Liberty 450-Series Installation Manual
SPECIFICATIONS
Liberty 450-Series Curves

Pump Products application engineers are standing by to help you find the right pump, as well as to provide price quotes, stocking availability and shipping information. Call our toll free number 1-800-429-0800 to speak to an expert today.