Automatic Submersible Sump Pump with Diaphragm Switch and 10' Power Cord

Little Giant 6-CIA 1/3 HP Automatic Submersible Sump Pump – Reliable Performance for Demanding Dewatering Applications

The Little Giant 6-CIA is a 1/3 horsepower, submersible sump pump engineered for residential and light commercial dewatering tasks. Designed for automatic operation, this pump is well-suited for crawl spaces, sump pits, and other below-grade drainage points where reliable water removal is critical.

With a rugged cast iron motor housing and oil-filled motor design, the 6-CIA is built for long-term use in continuous-duty environments. Its compact form factor and integrated diaphragm switch allow for straightforward installation in confined sump basins while still delivering strong flow characteristics and thermal protection.

Performance Features

• Motor: 1/3 HP, 115V, single-phase, thermally protected
• Operation: Automatic, pressure-sensing diaphragm switch
• Max Head: 18 feet
• Max Flow: 46 GPM at 5 feet of head
• Shut-Off Head: 18 feet
• Discharge Outlet: 1-1/2” FNPT

Construction Details

• Housing: Epoxy-coated cast iron for corrosion resistance
• Impeller: Non-clogging nylon impeller for handling small debris
• Hardware: Stainless steel fasteners and shaft for extended life
• Seal: Nitrile with carbon/ceramic faces
• Motor Cooling: Oil-filled for continuous lubrication and temperature management

Dimensions and Ratings

• Length: 9.5 inches
• Width: 8.5 inches
• Height: 6 inches
• Power Cord: 10 feet, grounded
• Weight: Approx. 13 lbs
• Duty Rating: Continuous

Installation Considerations

The 6-CIA is designed for installation in sump pits with a minimum diameter of 10 inches. A built-in diaphragm switch allows for fully automatic operation without the need for a separate control panel. Proper sump basin sizing, discharge piping, and backflow prevention must be verified prior to installation. This unit is intended for clear water applications—handling of solids or sewage will require alternative models.

Application Suitability

• Basement sump pump systems
• Crawl space drainage
• Light commercial dewatering
• Groundwater control in utility vaults or lift stations

Professional Summary

The Little Giant 6-CIA provides dependable automatic operation in a compact and durable package. Its cast iron construction, oil-filled motor, and proven switch mechanism make it a preferred choice for contractors performing residential or light commercial drainage installations. The pump is factory-tested and backed by a limited manufacturer warranty for added confidence.