Pump is ready to accept an 1 1/2 in. male fitting.
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Wayne Cast Iron Submersible Sump Pump, 4600 GPH, 1/3 HP, 1 1/2in., Model# CDU790

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Shipping:
Factory shippedStore Pickup:
Not available - online only
- Thermally protected motor
- Cast iron construction with corrosion-proof thermoplastic top
- Top suction strainer filters debris
- High capacity 1 1/2in. NPT discharge port
- Glass reinforced poly-carbonate impeller with steel shaft is designed for years of use
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Description
Key Specs
Reviews
Q & A
Accessories
Warranty
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Product Summary
What's Included
- (1) Submersible sump pump
Downloads
Features + Benefits

- Thermally protected motor
- Cast iron construction with corrosion-proof thermoplastic top
- Top suction strainer filters debris
- High capacity 1 1/2in. NPT discharge port
- Glass reinforced poly-carbonate impeller with steel shaft is designed for years of use
- Stainless steel fasteners for superior corrosion-resistance
- Permanently lubricated ball bearing
- 120°F max fluid temperature
- 9 3/4in. dia. x 11 1/2in.H
- UL and CSA listed
Key Specs
| Attribute | Specification |
|---|---|
item# | 10879 |
Brand | Wayne |
Manufacturer's Warranty | 36 months parts/36months labor |
Ship Weight | 16.05 LB |
Max. Flow | 4,600 GPH |
| Attribute | Specification |
|---|---|
Volts | 120 |
Amps | 3.5 |
Power Cord Length | 96 in |
Housing Material | Thermoplastic |
Horsepower | 0.33 |
Reviews
Questions & Answers
Questions
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· 13 years ago
what type of output fitting is on the pump?
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ZavenD· 7 years ago
Helpful?
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WKFC225· 12 years ago
Pump has 1.5" theaded female port
Helpful?
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ProductExpert38· 13 years ago
The submersible pump has a 1-1/2" NPT discharge port.
Helpful?
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· 9 years ago
Wayne Cast Iron Submersible Sump Pump - 3800 GPH, 1/3 HP, 1 1/2in., Model# CDU790"
HP, 1 1/2in., Model# CDU790" what is the deepest footage it will pump from
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Wayne Pump Expert· 9 years ago
Thank you for the question on the CDU790 sump pump.
It will pump up 20'.Helpful?
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ProductExpert25· 9 years ago
Since the total lift on this pump is 20ft, it is not recommended to go any deeper than 20 ft.
Helpful?
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· 15 years ago
what is the gph. rating at 10 feet up hill?
i need to pump out a basement and the nearest window is 10 feet above the actual pump.
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ZavenD· 7 years ago
I don.t know the gph@ 10, but can verify that they work great at keeping up with 2 in. / hour rain at 11 feet. Have 5 pumps around the foundation (4 interior and 1 exterior) and three of the recently failed after 7 years of daily pumping at 11 feet.
Helpful?
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ProductExpert5· 15 years ago
The discharge rate at 10 feet for this sump pump is 2270 gallons per hour.
Helpful?
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· 14 years ago
Will this pump handle 180 degree water? Will it fit in a 5 gallon bucket?
1 answer-
ProductExpert38· 14 years ago
The pump will handle temperatures up to 120 degrees Fahrenheit. The dimensions of the pump are 11-1/2" high and 9-3/4" wide. It should fit into a 5 gallon bucket.
Helpful?
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· 14 years ago
HOW LONG IS THE ELECTRICAL CORD?
1 answer-
ProductExpert27· 14 years ago
The power cord is 8 feet long.
Helpful?
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Warranty
Manufacturer's Warranty
36 months parts/36months labor
Extend Your Warranty Coverage with a Northern Protection Plan (NPP)
Replacement Plan — 1 Year
A Northern Protection Plan is available after adding the product to your shopping cart.
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Specifications
4,600 GPH
5,100 GPH
5,100 GPH
6,100 GPH
120
Multi
Multi
120
3.5
3.8
3.8
9.8
96 in
96 in
96 in
96 in
Thermoplastic
Cast-Iron
Cast-Iron
Stainless Steel
0.33
0.5
0.5
1
-
lb
lb
lb
-
13.5 x 9.0 x 15.5 in
13.0 x 9.0 x 12.0 in
10.0 x 10.0 x 14.0 in
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