8-CIA Automatic Sump Pump w/ Diaphragm Switch and 25' cord, 4/10 HP, 115V

Little Giant

Brand: Little Giant

Mfr Part#: 508158

Model: 8-CIA

UPC#: 010121081581

Availability: In Stock
Usually ships: within 1 business day
Qty Price
$213.95 / each & Free Shipping
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Little Giant 8-CIA (508158) is a 4/10HP, Automatic Submersible Sump Pump with 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).
508158 model is well suited for a wide range of residential and commercial applications such as sump basins and tanks, dewatering basements, construction sites, loading docks and many others.
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 (GPM) Head (m) Flow (LPM)
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


  • 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;

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;


2 years manufacturer's warranty.
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