Striking a balance between clear water removal and light graywater removal, a Little Giant sump pump or effluent pump does a little bit of everything: keeping water out of basements while acting as a strong backup for septic pumps.

There’s a reason we’ve been the go-to pump for HVAC, Plumbing, Pool, and Hydroponics professionals for generations: experience. For 80 years, Little Giant® products have stood the test of time, pumping a steady flow of proven reliability in the most demanding applications.

Designed with multi-performance and materials options, Little Giant offers a complete range of oil-filled and epoxy encapsulated small submersible pumps to suit any residential or industrial application, so you'll always find the right fit.

The Little Giant CS-SS Crawl Space Sump Pump System is designed for use in residential low-lying areas such as crawl spaces or homes with shallow sump pits. Removing moisture from these areas aids in the prevention of mold and fungus, as well as moisture damage to floors, insulation, and metal ductwork.

A consistent top performer for the Little Giant brand, the iconic 6-Series sump pumps are designed for continuous duty usage in various residential and light industrial environments including basements, crawl spaces, transformer vaults, loading docks, or elevator pits.

Products by Type Condensate & Drain Pumps; Sump & Effluent Pumps & Systems; Utility Pumps

The 5.5 Series sump pump is a lightweight cast aluminum entry-level sump pump with a powerful & efficient 1/4 horsepower PSC motor ensures your basement will be protected. Top-intake screen helps to prevent debris from entering the pump.

Little Giant's WRS Series Drainosaur and Drainosaur Jr. sump pump system provides a conveniently sized tank and pump combo for impractical gravity drainage areas. The compact sump pump system removes water from laundry trays, lavatory and wet bar sinks, dehumidifiers, air conditioners, water softeners, and more.

Applicable for basement sumps and flood control applications, our SPK Series Sump Pump System is a pre-packaged system complete with your choice of the Little Giant 6 Series of sump pump paired with a diaphragm switch and check valve.

The 6-CIA sump pump is a float-operated submersible pump intended for continuous use for dewatering and water transfer applications in residential and light industrial use. Item: 506125