Model # CDU790

Internet #100026900

Wayne 1/3 HP Cast Iron Submersible Sump Pump with Vertical Float Switch
0040066100016

Wayne

1/3 HP Cast Iron Submersible Sump Pump with Vertical Float Switch

  • Pumps up to 3800 GPH at 0 ft.
  • Rugged, cast iron base and metal construction
  • Top suction design filters debris and minimizes clogging
$11500 /each
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Product Overview

  • Pumps up to 3800 GPH at 0 ft.
  • Rugged, cast iron base and metal construction
  • Top suction design filters debris and minimizes clogging
Wayne's CDU790 features a durable cast iron base and epoxy-coated housing for long life and quiet operation. This submersible pump is designed for 11 in. or larger sump pits. The CDU series is one of the most popular replacement pumps in America. The ceramic mechanical seal assures long life in the most demanding applications and the 1-1/2 in. discharge allows easy installation plus maximum flow.
  • Submersible cast iron and coated steel sump pump with vertical float switch
  • Top suction pump design eliminates air locks and clogging from debris in bottom of sump pit
  • Epoxy-coated steel motor housing and rugged, cast iron pump base
  • Fully submersible
  • 1/3 HP; max. flow rate is 3800 GPH; 2700 GPH at 10 ft. of discharge lift
  • 1-1/2 in. NPT discharge
  • For use in 11 in. Dia or larger sump basins; 9 in. on level and 4 in. off level
  • On 9 in. - off 4 in.
  • Assembled in the U.S.A.
  • Additional Features:


  • Click here for more information on Electronic Recycling Programs

Product Overview

Wayne's CDU790 features a durable cast iron base and epoxy-coated housing for long life and quiet operation. This submersible pump is designed for 11 in. or larger sump pits. The CDU series is one of the most popular replacement pumps in America. The ceramic mechanical seal assures long life in the most demanding applications and the 1-1/2 in. discharge allows easy installation plus maximum flow.

  • Submersible cast iron and coated steel sump pump with vertical float switch
  • Top suction pump design eliminates air locks and clogging from debris in bottom of sump pit
  • Epoxy-coated steel motor housing and rugged, cast iron pump base
  • Fully submersible
  • 1/3 HP; max. flow rate is 3800 GPH; 2700 GPH at 10 ft. of discharge lift
  • 1-1/2 in. NPT discharge
  • For use in 11 in. Dia or larger sump basins; 9 in. on level and 4 in. off level
  • On 9 in. - off 4 in.
  • Assembled in the U.S.A.
  • Additional Features:


  • Click here for more information on Electronic Recycling Programs

Info & Guides

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Price
$115.00 /each
$133.70 /each
$149.00 /each
$198.00 /each
Name 1/3 HP Cast Iron Submersible Sump Pump with Vertical Float Switch 1/2 HP Cast Iron Sump Pump with Vertical Float Switch 3/4 HP Submersible Sump Pump 1/2 HP Cast Iron Submersible Sump Pump
Brand Wayne Wayne Wayne RIDGID
Ratings (176) (60) (200) (94)
Voltage (volts) 115 115 120 120
Horsepower (hp) 1/3 hp 1/2 hp 3/4 hp .5
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Specifications

Dimensions

Maximum Pumping Height (ft.)
21
Product Depth (in.)
10
Product Height (in.)
14
Product Width (in.)
10
Switch-Off Height (in.)
4"
Switch-On Height (in.)
9"

Details

Amperage (amps)
9.5
Battery Back-Up
No
Cord Length (ft.)
8
Discharge Flow @ 0 ft. (gallons/hour)
3800
Discharge Flow @ 10 ft. (gallons/hour)
2700
Discharge Flow @ 15 ft. (gallons/hour)
1700
Horsepower (hp)
1/3 hp
Housing Material
Cast-Iron
Impeller Material
reinforced poly carbonate
Maximum Working Temperature (F)
120
Minimum working temperature (F)
40
Power Type Required
AC
Product Weight (lb.)
16.95 lb
Pump Switch Type
Vertical
Returnable
90-Day
Self-Priming
Yes
Submersible
Yes
Sump Pump Outlet Diameter Type
1-1/2 FPT
Voltage (volts)
115

Warranty / Certifications

Certifications and Listings
cUL Listed
Manufacturer Warranty
3 Year Limited Warranty

Specifications

Dimensions

Maximum Pumping Height (ft.)
21
Product Depth (in.)
10
Product Height (in.)
14
Product Width (in.)
10
Switch-Off Height (in.)
4"
Switch-On Height (in.)
9"

Details

Amperage (amps)
9.5
Battery Back-Up
No
Cord Length (ft.)
8
Discharge Flow @ 0 ft. (gallons/hour)
3800
Discharge Flow @ 10 ft. (gallons/hour)
2700
Discharge Flow @ 15 ft. (gallons/hour)
1700
Horsepower (hp)
1/3 hp
Housing Material
Cast-Iron
Impeller Material
reinforced poly carbonate
Maximum Working Temperature (F)
120
Minimum working temperature (F)
40
Power Type Required
AC
Product Weight (lb.)
16.95 lb
Pump Switch Type
Vertical
Returnable
90-Day
Self-Priming
Yes
Submersible
Yes
Sump Pump Outlet Diameter Type
1-1/2 FPT
Voltage (volts)
115

Warranty / Certifications

Certifications and Listings
cUL Listed
Manufacturer Warranty
3 Year Limited Warranty

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Questions & Answers

does this pump require a dedicated electrical circuit?

Asked by: JayOne
Electrical requirement wise (Building code may require it) i don't think so but safety wise it should be on it's own GFI circuit with a alert type light to let you know if the circuit trips. You can't depend on any pump to run 100% of the time and if you have a serious water problem and the sump pumps stops working and you don't know it damage occurs.
Answered by: Chuck
Date published: 2016-03-21

Is this pump automatic,will it start by it's self or do I have to start it each time I want water...

Is this pump automatic,will it start by it's self or do I have to start it each time I want water pumped.
Asked by: pops
Yes, automatic. When the water level causes the float to rise, the pump turns on. When the float drops with the water level, it turns off. Kind of like the old toilet tank floats.
Answered by: Gene97470
Date published: 2017-09-17

Does this pump have a float sensor?

The location for our sump pump requires that it has a float sensor so that we don't have to access it regularly. Does this have one? The specs look like it does but I want to ask before we purchase it.
Asked by: TParker
Yes, it has a float switch to turn the pump on and off.
Answered by: Gene97470
Date published: 2016-10-11

Can this pump work in a yard with standing water?

Here in Florida we just had a realy bad storm, I have standing water that has no where to drain I just need a pump for a small back yard the water is setteling at my a/c unit and In the middle of my yard is a slope If I had a hose long enough to go around the side of my home. my front yard has a slope where it can drain. I've never used one of these. Can someone please help me?
Asked by: Stormy2015
Yes, but make sure you have a primary debris screen for leaves, and stuff - also make sire you plug into a GFI outlet. For a emergency use you would be ok, but I would not install any sump pump outside there are pumps designed for exposure to the elements.
Answered by: Chuck
Date published: 2017-08-27
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Customer Reviews

1/3 HP Cast Iron Submersible Sump Pump with Vertical Float Switch is rated 4.7 out of 5 by 176.
Rated 5 out of 5 by from This is the third pump I tried and it is the best one for my situation. It is quiet, efficient, ... This is the third pump I tried and it is the best one for my situation. It is quiet, efficient, easy to install and it does turn on to pump out water as the specifications indicated and stays on long enough to pump what it should; per listed specs. The tether-type leaves too much water in the well and the Everbilt only pumps out two inches of water, not four (as specs read).
Date published: 2017-05-02
Rated 5 out of 5 by from Pump works exceptionally well for the price. While having a lower rated capacity than the Ridgid... Pump works exceptionally well for the price. While having a lower rated capacity than the Ridgid 330RS pump (made by Wayne) the unit seems to be identical in appearance and performance. I had to purchase a Ridgid 330RS a few months prior due to the failure of my installed pump. I purchased the Wayne CDU790 to act as a backup and to pump wash water to a drywell. The Wayne pump is a better value, but is not stocked at my local Home Depot and had to be ordered.
Date published: 2017-07-25
Rated 5 out of 5 by from We have had the same model sump pump to handle all the laundry water for the past 15 years. The o... We have had the same model sump pump to handle all the laundry water for the past 15 years. The only problems we have had were the few times the laundry lint overloaded the filter screen at the bottom and plugged it. We finally replaced it with a new one of the same model. There was a tear in the rubber retainer flap at the bottom of the float, but Wayne Customer Service overnighted a replacement right away. The pump works great and is quieter than the old one.
Date published: 2017-07-25
Rated 5 out of 5 by from Quality Product, Easy Installation I ordered this sump pump online from Home Depot, as it was not available in stores. The reviews were very positive for this unit, and the price was about what I wanted to spend. The unit arrived in three days after ordering, which was great considering the shipping was free. This sump pump replaced a sump pump whose switch had failed. Including cutting new PVC pipe and cleaning out the sump pail, the installation took less than one hour. The units looks very solidly built, and I like that the suction is from the sides rather than from the very bottom--makes it much less likely to clog up. The unit runs quietly, and the cord length is more than ample. Overall, very happy with the purchase.
Date published: 2013-10-16
Rated 5 out of 5 by from Very dependable We just moved into our new home. First thing I did was pull out the pump the builder put in and installed one of these. We lived in our old house for 18 yrs i put one these in as soon as I moved in and it lasted 10 yrs the second one was still working fine after 8 yrs when we moved. Our new house doesn't seem to get much water but the old house ran all the time and the pump just kept going and going
Date published: 2017-07-25
Rated 2 out of 5 by from the sump was easily installed, size matched perfectly to my old one, pumps super fast! my bigges... the sump was easily installed, size matched perfectly to my old one, pumps super fast! my biggest issue is that 1) the float / switch is recommended to be replaced every 2 years, and 2) the float / switch is "consumable" and not covered under warranty.
Date published: 2017-09-12
Rated 2 out of 5 by from Defective pump Plugged it in and it would not stop running. Checked to see if float was hung up but it was not. Returned the pump to Homedepot and bought it somewhere else as I did not want to wait for another to be delivered.
Date published: 2017-08-01
Rated 5 out of 5 by from I bought this pump to build a new system w/backup pump to replace my existing system, before prob... I bought this pump to build a new system w/backup pump to replace my existing system, before problems arise. This unit replace what I now have with very little adjustment to measurements. Perfect for my needs.
Date published: 2017-04-25
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