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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 Rate5,100 gallons per hour
Motor Power½ horsepower
ConstructionCast iron & corrosion-resistant steel
Float Switch LifespanTested for 1 million cycles
Discharge Size1½” NPT
Warranty3 years
Does this pump require a weep hole for proper operation?
No, the top suction design eliminates the need for a weep hole while reducing clogging risks.
Is this pump compatible with standard basement discharge pipes?
Yes, it features a 1½” NPT discharge that meets common building code requirements.
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