8-CIA Automatic Sump Pump w/ Diaphragm Switch and 25' cord, 4/10 HP, 115V
Brand: Little Giant
Part#: 508158
Model: 8-CIA
In Stock
Usually ships: within 1 business days
Little Giant 8-CIA (508158) is a 4/10HP, Automatic Submersible Sump Pump with an oil-filled motor (lubricated for life of the sump pump), integral diaphragm switch and a 25ft power cord. The pump will automatically activate when water level is between 7"-10" and will automatically shut down when water level is within 1"-4" (this range is factory pre-set and is non-adjustable).

A powerful 4/10HP motor is capable of pumping up to 54 gallons per minute at 5ft of head pressure drop. The inlet on Little Giant 8-CIA model is 1-1/2" FNPT and can be reduced to 1-1/4" FNPT with an optional bushing (included). Features epoxy-coated cast iron housing and other components resistant to corrosion.

Head (ft) Flow (GPH) Head (m) Flow (LPH)
5 54 1.5 204.4
10 42 3.0 159.0
15 26 4.6 98.4
20 7.5 6.1 28.4

  • Moving large volumes of water in residential and commercial applications:
  • Excavation sites
  • Construction sites
  • Dewatering crawl spaces
  • Basements
  • Underground passageways
  • Loading docks
  • many others
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  • 4/10 HP shaded pole motor with overload protection
  • Designed for continuous duty
  • Epoxy coated cast iron housing
  • Carbon/ceramic shaft seal
  • Upper and lower sintered sleeve bearings
  • UL / CSA listed
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Technical Specifications:
  • Model: 8-CIA
  • HorsePower: 4/10HP
  • Max. Flow: 54 GPM @ 5ft of Head pressure drop
  • Cord Length: 25ft
  • Shut Off @ 22.9ft of head
  • Voltage: 115V
  • Hertz: 50/60Hz
  • Amps: 10A
  • Watts: 830W
  • Weight: 19 lbs
  • Dimensions (H x W x L): 6" x 8.5" x 9.5"
  • Certification: UL/CSA
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2 years manufacturer's warranty.

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