Liberty 287


Sump Pump, 1/2 HP

287 89690
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ItemSubmersible Sump Pump
Switch TypeVertical
Discharge NPT (In.)1-1/2
Cord Length (Ft.)10
On Point (In.)9-1/2
Off Point (In.)4
GPM of Water @ 5 Ft. of Head62
GPM of Water @ 10 Ft. of Head55
GPM of Water @ 15 Ft. of Head47
GPM of Water @ 20 Ft. of Head38
Max. Head (Ft.)37
Height (In.)13
Dia. (In.)9-5/8
Max. Dia. Solids (In.)3/4
Max. Temp. (F)140
Base MaterialCast Iron
HousingCast Iron
Top MaterialPolypropylene
Impeller MaterialEngineered Polymer
Thermal ProtectionYes
Shaft SealBuna N, Stainless Steel
GPM of Water @ 25 Ft. of Head28
GPM of Water @ 30 Ft. of Head17
GPM of Water @ 35 Ft. of Head5
Mechanical SealCRB/CMC
Motor TypePSC
Shaft Material416 Stainless Steel
Standards CSA C/US
Weight 28.550000


Submersible Sump Pump, Automatic, 1/2 HP, Vertical Switch Type, Discharge NPT 1-1/2 In., Voltage 115, Amps 8.5, Cord Length 10 Ft., On Point 9-1/2 In., Off Point 4 In., GPM of Water @ 10 Ft. of Head 55, Max. Head 37 Ft., Max. Dia. Solids 3/4 In., Max. Temp. 140 F, Base Material Cast Iron, Housing Cast Iron, Impeller Material Engineered Polymer, RPM 3450, Mechanical Seal CRB/CMC, Shaft Material 416 Stainless Steel

  • Note: For float switches, see page 4049. For control panels, see page 4048.
  • California Proposition 65 Warning: This product contains a chemical known to the State of California to cause cancer. Warning: This product contains a chemical known to the State of California to cause birth defects or other reproductive harm.

Submersible Sump Pumps
  • Drain flooded basements, window wells, construction sites, and swimming pools. Convenient carrying handle.
  • Single-phase permanently lubricated motor 115V (4NW37 and 5CZG4 are 230V) Nonclog vortex impeller
  • Liberty
  • Fit tight pits down to 10" in diameter. Powder-coated for corrosion resistance. Quick-disconnect power cord design. Efficient PSC motor. 3-yr. warranty.

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