Wayne CDU800 1/2 HP Submersible Sump Pump – Cast Iron & Corrosion-Resistant Steel, Vertical Float Switch, 5,100 GPH, 3-Year Warranty

Reliable basement protection with a rugged build

The WAYNE CDU800 1/2 HP submersible sump pump combines durable cast iron with corrosion-resistant steel to tackle damp basements with confidence. It moves up to 5,100 gallons per hour, making quick work of rainwater, groundwater, or rapid snowmelt that threatens floors, stored belongings, and comfort.

Durable construction and quiet operation

With a cast iron housing paired with corrosion-resistant steel, this pump is built for long life in demanding sump environments. The compact, vertical design saves space in tight pits, while the load remains steady and quiet as it runs. The 1/2 HP motor profile targets reliable flow without excessive noise.

• Cast iron + corrosion-resistant steel for lasting performance
• Discharge size of 1-1/2 inches supports flexible plumbing options
• Indoor use design with a quiet, efficient operation

Smart, maintenance-light automatic performance

The CDU800 features a vertical float switch rated for up to 1,000,000 cycles, enabling dependable automatic activation as water rises. It also includes automatic overload protection and permanently lubricated ball bearings, reducing routine maintenance concerns.

• Vertical float switch ensures hands-off operation
• Automatic overload protection safeguards motor windings
• Permanently lubricated bearings require no oiling

Designed for easy installation and everyday use

The top suction design minimizes clogging and air locks, contributing to smoother priming and fewer flow interruptions. This model is designed for sump pits 11 inches or larger and is assembled in the USA. A two-pole switch helps prevent basement flooding if one pole sticks, and the 8-foot grounded cord provides reach to distant outlets.

• Top suction design reduces clogging and simplifies priming
• 11-inch minimum sump pit size for broad compatibility
• Assembled in the USA with a 3-year warranty

Real-life use scenarios

Whether facing heavy rainfall, rapid snowmelt, or routine basement water, the CDU800 is designed to work quietly in the background while you focus on belongings, storage, and living space. The vertical orientation frees floor space, leaving room for shelves, tools, or seasonal gear while keeping basements dry and comfortable.