Wayne CDU800 ½ HP Sump Pump – Cast Iron & Stainless Steel
$197.99 on Amazon.com (as of October 18, 2026, 7:34 PM EST) View details ↗
The Wayne CDU800 ½ HP Submersible Sump Pump delivers reliable basement flood protection with a robust construction designed for heavy-duty use. Built with durable cast iron and corrosion-resistant steel, this pump handles demanding water removal tasks while maintaining long-term performance. With a powerful 5,100 GPH flow rate, it efficiently moves water during intense rainfall or snowmelt, helping prevent basement flooding.
This pump features a tested vertical float switch rated for up to 1 million cycles, ensuring consistent automatic operation without frequent maintenance. The top suction design reduces clogging and eliminates air lock issues—no weep hole required—while the 1½” NPT discharge meets standard building codes. Assembled in the USA, the CDU800 comes with a 3-year warranty for added peace of mind.
| Flow Rate | 5,100 gallons per hour |
|---|---|
| Motor Power | ½ horsepower |
| Construction | Cast iron & corrosion-resistant steel |
| Float Switch Lifespan | Tested for 1 million cycles |
| Discharge Size | 1½” NPT |
| Warranty | 3 years |






