0040066100016

Wayne

Model # CDU790

Internet # 100026900

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

$116.49 /each
  • Pumps up to 3800 GPH at 0 ft.
  • Rugged, cast iron base and metal construction
  • Top suction design filters debris and minimizes clogging

FREQUENTLY BOUGHT TOGETHER

PRODUCT OVERVIEW

Model # CDU790

Internet # 100026900

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:


Info & Guides

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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.) 
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 
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 

MORE PRODUCTS WITH THESE FEATURES

Price: $100 - $150
Brand: Wayne
Horsepower (hp): 1/3 hp
Voltage (volts): 115
Review Rating: 4 & Up
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Customer Questions & Answers

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

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4 answers

does this pump require a dedicated electrical circuit?

This question is from 1/3 HP Cast Iron Submersible Sump Pump with Vertical Float Switch
Asked by
Germansville, PA
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July 22, 2015
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Answers (4)

Asked by
Raleigh NC
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Home Improvement Profile: DIYer
November 23, 2015
Answer: 
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.
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October 20, 2015
Answer: 
It does not, but I would recommend a GFCI outlet for safety...
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Asked by
Leavenworth
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September 30, 2015
Answer: 
No
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Asked by
Schererville, IN
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July 24, 2015
Answer: 
No, this pump shares electrical circuits with another pump.
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3 answers

Can this pump work in a yard with standing water?

This question is from 1/3 HP Cast Iron Submersible Sump Pump with Vertical Float Switch
Asked by
Florida
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August 9, 2015
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?
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Asked by
Raleigh NC
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Home Improvement Profile: DIYer
November 23, 2015
Answer: 
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.
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October 20, 2015
Answer: 
Possibly...This is designed to sit in a sump pit so that the water level will rise high enough to actuate the float...so if you placed it in a low spot in a basin or sump pit it may help out with the standing water...
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Asked by
Leavenworth
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September 30, 2015
Answer: 
Yes
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2 answers

does this pump connect to a garden hose

This question is from 1/3 HP Cast Iron Submersible Sump Pump with Vertical Float Switch
Asked by
Tacoma Wa.
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November 3, 2015
The manual does not say if it does or not.
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Asked by
Raleigh NC
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November 23, 2015
Answer: 
You would have to use down sizing adapters for a garden hose which would also reduce your GPH discharge rate and increase the back pressure on the pump from the reduction - could shorten the life of the unit.
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November 6, 2015
Answer: 
Hello bill, I’m Chris from the Home Depot’s how-to Community. Thank you for your question.
Well, it is possible to buy sufficient adapters to go from the 1 1/2” outlet to a 3/4” garden hose connection. This is not what the pump was designed for. It is intended to be attached to 1 1/2" PVC pipe with no more than a 10 foot lift so it can drain a sump out.
Typically a garden hose would be used for a Read More
Hello bill, I’m Chris from the Home Depot’s how-to Community. Thank you for your question.
Well, it is possible to buy sufficient adapters to go from the 1 1/2” outlet to a 3/4” garden hose connection. This is not what the pump was designed for. It is intended to be attached to 1 1/2" PVC pipe with no more than a 10 foot lift so it can drain a sump out.
Typically a garden hose would be used for a bottom feeding utility pump like this one.
http://www.homedepot.com/p/Everbilt-1-6-HP-Submersible-Thermoplastic-Utility-Pump-SUP54-HD/205618696
I hope this helps,
Chris.
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1 answer

can this pump be put in a pond to help circulate water

This question is from 1/3 HP Cast Iron Submersible Sump Pump with Vertical Float Switch
Asked by
Huntsville, al
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April 13, 2016
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Answer (1)

Asked by
Culpeper, VA 22701, USA
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May 5, 2016
Answer: 
It might work but I assume it was not built for continuous use. My pump is on less than 5 minutes at a time.
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CUSTOMER REVIEWS

Rated 4.7 out of 5 by 126 reviewers.
Rated 5.0 out of 5.0 by I'm Pumping. Great Product. I have a low spot in my yard that ponds during heavy rain. I researched putting in a sump pump by watching on-line videos. I installed a 6" catch basin in the area and plumbed it to a Home Depot bucket, buried a few feet away, with 4" PVC pipe. The bucket was buried a few inches below the surface. I increased the height of the bucket by cutting off the bottom 4" of another bucket, and placing the top into my buried bucket. The buckets were attached to each other with screws. I bought the Wayne 1/3 HP Sump Pump and a check valve on line from Home Depot. I wanted a pump with a vertical float switch. I had earlier purchased another pump (not from Home Depot) with a tether float and couldn't get the float to work properly. It had to fit in my bucket sump. Wayne products had good reviews and appeared easy to install. Both items arrived quickly and were well packaged. The instructions were easy to read and understand. I purchased a few fittings and connected the check valve to the pump. I placed the pump into my bucket sump and then plumbed 1 1/4" pipe from it to a v-ditch on the side of my yard. I capped the sump bucket with a bucket lid. This set up worked great during a test. It is very quiet. The real test came with the heavy rains we received the past week. It has continued to work flawlessly. January 20, 2016
Rated 5.0 out of 5.0 by Wayne 1/3 hp sump pump Install was easy and the pump is VERY quiet running. I had to re-plumb my discharge to bring it up to 1-1/2" pipe, but that's easy with PVC pipe. It's only been installed for about a month, but I'm very happy with it. My old pump (a Little Giant 1/6 hp) lasted 20 years - hopefully this one will, too ! March 1, 2016
Rated 5.0 out of 5.0 by Solid well built pump My Flotec sump pump finally went south. Had it for over 20 years with no problems. So, needed to replace it. After searching the reviews on some pumps, no question to get a Wayne. It matched up perfectly without having to modify any plumbing. I got a vertical switch this time, since the sump pit is square and not enough room for a tethered switch. I had to shorten the tether on my previous pump. I also like the vertical switch keeps the water level quite a distance below the floor. Good quality pump. February 12, 2016
Rated 4.0 out of 5.0 by Waters out of the basement! The pump arrived ahead of schedule and was very easy to install. Like the others have said, it is very quiet in operation. January 26, 2016
Rated 5.0 out of 5.0 by Easy swap out Pump swap out was flawless. Wayne for Wayne. Both 1/3 HP. Old one lasted 8 years. Hope for the same with new one.... December 12, 2015
Rated 5.0 out of 5.0 by Great Quality About a year and a half ago I purchased a different pump for my crawl space which recently died...I reviewed a ton of different pumps that were stocked in the store, but all were rated poorly. So I ordered this one which has great ratings. It was a snap to install, and is much quieter than the previous pump...in fact I don't even hear it when it runs which is a plus! My only complaint is that the better rated pumps have to be ordered, but it seems to be well worth the wait. October 20, 2015
Rated 5.0 out of 5.0 by Just what I needed Always had a Wayne pump and bought a lesser value one bad mistake. Went back to Wayne for the trust and value... November 10, 2015
Rated 5.0 out of 5.0 by Looks to be well built and is American made. Less than one month after receiving and installing this pump is too early to rate this but HD insists. It arrived on time, looks well built and was easy to install. Whether it will last and perform well only time will tell. It is American made. February 18, 2014
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