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The Wayne cdu790 - 1/3 hp cast iron submersible sump pump w/ vertical float switch is available for purchase today.

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Wayne CDU790 - 1/3 HP Cast Iron Submersible Sump Pump w/ Vertical Float Switch

(Based on expert analysis, manufacturer ratings and customer reviews)
4.7 out of 54.7 out of 54.7 out of 54.7 out of 54.7 out of 5
3 Reviews
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$129.99

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  • Features
  • Specs
  • 1
    Q&A 
  • 3
    Reviews
  • Articles
  • Shipping
  • Accessories
Style
Primary Sumps Pumps
GPH
3450
Gallons
HP
1/3
Horse Power
Switch Type
Vertical Float Switch
Durable Cast Iron Housing Construction
Offers years of reliable, trouble-free operation
Corrosion-resistant stainless steel fasteners

Thermally Protected Motor
Oil-filled, prevents overheating

Reinforced Poly-Carbonate Impeller
Offers reliable pumping

Top Suction Screen Filters
Prevents debris from damaging motor

High Capacity 1 1/2" NPT discharge

Designed for 11 diameter or larger sump basins

Will replace most submersible sumps without any plumbing changes

On level @ 9" - Off level @ 4"


Need Help? Ask Our Sump Pump Experts.
Base
Min Sump Basin Size
11 Inch
Motor
Running Amps
9.5
Thermal Protection
Yes
Power Cord Length
8 Feet
Oil Free Motor
No
Starting Amps
19
Pump
Housing Material
Cast Iron
Handles Solids
No
Float Type
Vertical Float
GPH @ 0 feet
3450
GPH @ 5 feet
3450
GPH @ 10 feet
2700
GPH @ 15 feet
1700
GPH @ 20 feet
100
Discharge Port Size
1-1/2 Inch
Built-in check Valve
No
Float On
9 Inches
Float Off
4 Inches
Manual Override
No
Overview
Weight
16 Pounds
Product Width
9.75 Inches
Product Height
11.5 Inches
Consumer Warranty
3 Years
UPC
040066100016
Model
CDU790
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  1 Question
Q: What does min. sump basin size mean?
by John D from Massachusetts on February 02, 2013

A: The minimum sump basin size relates to the minimum size of your sump basin or pit, that a specific pump will safely operate in. Any pump needs a certain amount of space due to "on/off" levels, cooling factors and cycling that the pump is designed for. Most pumps will require a standard size basin of 18" wide by 24" deep but some will also operate in smaller basins. You want to pay very close attention to these requirements as they will insure a longer pump life.
by Jim, Product Expert
Wayne CDU790 Reviews & Ratings
3 Reviews  Sort by 
 
James C.
Glasgow, KY
Purchased from Sump Pumps Direct
Purchased 3/10/16
Most Helpful Positive Review
REVIEWED
MAR.
31
2016
5 out of 55 out of 55 out of 55 out of 55 out of 5
Wayne Pump
This Wayne CDU790 1/3HP Cast Iron pump was purchased as a back up pump for my present pump which is a Wayne CDU750 x 1/2 with genius level control which is no longer manufactured. My present pump is 9 years old and I wanted a backup pump so if I have a problem in the middle of the night or on a weekend I now have a spare pump on hand. I wish Wayne still made the CDU750 with its genius float control which has no moving parts.
James Recommends This Wayne Product
Jim, the Sump Pump Expert
Product Expert
James,
You might want to consider one of these Electronic SwitchesElectronic Float Switches
more
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00
Dan P.
Lake Zurich, IL
Purchased from Sump Pumps Direct
Purchased 12/26/15
REVIEWED
JAN.
20
2016
5 out of 55 out of 55 out of 55 out of 55 out of 5
Quiet
Wayne has always had a great reputation for quality sump pumps. The vertical float doesn't get hung up on the side of the pit. The pump is very quiet when it runs.
Dan Recommends This Wayne Product
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00
Mike P.
Humboldt, IA
Purchased from Sump Pumps Direct
Purchased 5/31/15
REVIEWED
JUN.
25
2015
4 out of 54 out of 54 out of 54 out of 54 out of 5
Sump Pump
I am not currently using the sump pump as it will be saved for a back-up.
I have three pumps in my basement and all three are Wayne pumps. I have used them now for probably 6-7 years and had my first failure this year.

After we got through the shipment problem I finally got it. I'm just glad I didn't need it right away, or I would have been in trouble.
Mike Recommends This Wayne Product
Was this review helpful?
20
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  • Ships via FedEx Ground
  • Free to Lower 48 States
  • Standard Rates to Alaska, Hawaii
We currently CANNOT ship this product to Canada or any destination outside of the United States
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