When the pump is switched on by the floater, how long does it run?

If there is merely water in the sump pit, you don't need this powerful a pump. This 3/4 HP pump is for handling major water flowing into the pit. When that happens in our cellar, the pump runs until it out-runs the flow of incoming water.-- sometimes for minutes sometimes for hours. We have 4 sump installations in 4 buildings. When the water table (level of the ground water in the outside ground) is high, three of these systems pump a lot of the time and pretty constantly. We have 2 pumps in each pit so if one fails we do not get flooded. Each Pump (if more than one in the system) needs to have a check valve/ back-flow preventer so it will force the other pumps to actually pump the water up and out and not allow an operating pump to to just pump back out through the other , (not then pumping) pump. The should also be placed at different levels so they don't necessariy go on at the same time, thus reserving one as a kind of back up. Of course, if there is really a lot of incoming water -- which we had when we first bought our house, it takes both pumps to handle the in flow and avoid flooding. NOw that we use the large diameter PVC piping, it works so much better that a single pump pof this size would probably be fine. It is best to pipe the pumps with real PVC pipe and in 1 1/2" or 2" size. This will increase the flow rate by around twice as much flow as the skinny (1 1/4") highresistance black curly-sided plastic pipe they often come with. Good luck and stay dry.

when you say 'top suction' does this mean the pu,p must be totally submerged?

The pump does NOT draw water directly from the bottom, as some have stated. If it did, it would draw in an dirt in the sump pit. The question was correctly answered already: “It (top suction) means the pump draws water from the top of the cast base vs. the underneath. Either way it is still drawing all the water from near the bottom of the sump basin. The top design just avoids sucking up dirt and sludge from the bottom of the sump basin. You can see the protected inlet screen built into the bottom black cast iron base. This is a good pump overall.”

how long is the power cord?

Just received my Wayne CDU980E. I, too, was concerned with this question. Power cord measures about 90-inches (7.5-feet) from where it connects to the top of the sump motor (which is about 11-inches above the bottom of the pump). I can't find this marked on Wayne's literature for the CDU980E.

Can this pump be hooked up to a battery backup?

It pulls too much current for most battery backups, a generator will run it fine.

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💧 Stay dry, stay ahead — the sump pump that works as hard as you do!

POWERFUL 3 4 HP MOTOR - Delivers robust pumping to handle heavy water flow effortlessly.
MASSIVE 5 490 GPH CAPACITY - Keeps your basement dry by moving water at an impressive 77 gallons per minute.
INNOVATIVE TOP SUCTION DESIGN - Prevents airlocks and minimizes debris clogging for uninterrupted performance.
RELIABLE VERTICAL FLOAT SWITCH - Tested for 1 million cycles to ensure automatic, worry-free operation.
DURABLE STAINLESS STEEL CAST IRON BUILD - Engineered for longevity and corrosion resistance in demanding indoor environments.

The Wayne CDU980E is a 3/4 HP stainless steel submersible sump pump designed for indoor use in 11-inch or larger pits. With a powerful flow rate of up to 5,490 gallons per hour and a clog-resistant top suction design, it ensures efficient water removal. Built with durable cast iron and stainless steel, and featuring a vertical float switch tested for 1 million cycles, this pump offers reliable, long-lasting basement protection.

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Manufacturer	Wayne
Part Number	58321-WYN3
Product Dimensions	26.67 x 22.86 x 27.94 cm; 5.44 kg
Item model number	58321-WYN3
Colour	Black
Style	Submersible
Material	Cast Iron, Stainless Steel
Power Source	Corded Electric
Voltage	120 Volts
Horsepower	0.75
Item Package Quantity	1
Flow rate	77 Gallons Per Minute
Batteries included?	No
Batteries Required?	No
Item Weight	5.44 kg

Wayne Cdu980E 3/4 Hp Stainless Steel Sump Pump with Vertical Float Switch

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