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The topp polyethylene sewage basin cover (18") is available for purchase today.

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TOPP Polyethylene Sewage Basin Cover (18")
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TOPP Industries Sump Pumps and Accessories
Model: C18SP
 (Based on expert analysis, manufacturer ratings and customer reviews)
4.5 out of 54.5 out of 54.5 out of 54.5 out of 54.5 out of 5
4 Reviews
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$34.99

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  • Features
  • Specs
  • 1
    Q&A 
  • 4
    Reviews
  • Articles
  • Shipping
  • Accessories
Injection Molded Polyethylene Sewage Basin Cover
•Heavy-duty design, contractor grade construction

Pre-Drilled Hubs For Discharge Pipe & Vent Pipe
•Saves time, no need to cut or drill

2" Vent Flange
•Will accommodate most sewage basin applications

18" Inside Diameter
•Compatible with most 18" sewage basins


Overview
Weight
3 Pounds
Product Width
18 Inches
Model
C18SP
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  1 Question
Q: What is the actual outside diameter, and does it come with electric cord grommet and mounting hardware? Thanks.
by Bob from Colorado on November 12, 2014

A: Thank you for your interest in Sump Pumps Direct. The Topp sewage basin cover model C18SP measures 20-7/8" OD and does include an electric cord/tether cord grommet.
by Jim, Product Expert
TOPP Industries C18SP Reviews & Ratings
Overall Rating
Features
4/5
Quality
5/5
Performance
5/5
Value
5/5
Overall
4.5 out of 54.5 out of 54.5 out of 54.5 out of 54.5 out of 5
Pros
Durable (2)
I'd Buy It Again (2)
Easy To Use (1)
Price (1)
Cons
None to display.
100% of respondents would recommend this product to a friend
4 Reviews  Sort by 
  
Jeffrey M.
Chippewa Falls, WI
Purchased from Sump Pumps Direct
Purchased 2/2/17
Most Helpful Positive Review
REVIEWED
FEB.
25
2017
5 out of 55 out of 55 out of 55 out of 55 out of 5
Great Lid At A Great Price
Installed easily with few tools. Item had everything needed for install including a new seal for the tank. Only problem is the bolts are cheep steel bolts that rust and will eventually seize so be sure to use anti seize on the threads. Otherwise buy stainless replacement bolts and they should not rust I'd still use anti seize on them too!
Pros: Durable, Easy To Use, Price, I'd Buy It Again
Jeffrey Recommends This TOPP Industries Product
Jeffrey's Experience With Sump Pumps Direct
Web Site
4/5

Service
4/5

Shipping
5/5
"Item shipped fast and was as described."
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25
Brian H.
Santa Barbara, CA
Purchased from Sump Pumps Direct
Purchased 1/28/17
REVIEWED
FEB.
20
2017
4 out of 54 out of 54 out of 54 out of 54 out of 5
Did The Job
Used to replace rusted out cover. Fit fine
Pros: Durable, I'd Buy It Again
Brian Recommends This TOPP Industries Product
Was this review helpful?
13
George R.
Fallbrook, CA
Purchased from Sump Pumps Direct
Purchased 7/28/14
Total Reviews
2 Reviews
REVIEWED
AUG.
18
2014
5 out of 55 out of 55 out of 55 out of 55 out of 5
Minor Problems With Holes
There are two minor problems with this cover.

1) There are 3 holes, but it only comes with one hole "cover" for the electrical. If you need to cover another hole, you have to buy a cover somewhere.

2) The electrical hole allows the power cable from the pump to go out nicely. But my pump had 2 power cables, so I had to adapt it a bit.

So it depends on your application.
George Recommends This TOPP Industries Product
Jim, the Sump Pump Expert
Product Expert
George,
The reason why this cover has 3 holes is because it is a sewage basin. The hole that you covered up is the vent, which allows sewer gas escape to the outside of the building. You may want to review your installation with a licensed plumber.
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88
William Whiteside
Tampa, FL
Purchased from Sump Pumps Direct
Purchased 1/27/15
Total Reviews
3 Reviews
Total Helpful Votes
11 Helpful Votes
REVIEWED
FEB.
18
2015
4 out of 54 out of 54 out of 54 out of 54 out of 5
Less Rigid Than Expected.
I would buy the steel one if I had it to do over again. It's not flimsy, but flexes more than I expected when walked on. I would have preferred a pipe exit on side of basin so piping didn't have to be removed just to get inside.
William Recommends This TOPP Industries Product
Was this review helpful?
14
Free Freight
  • Ships via FedEx Ground
We currently CANNOT ship this product to Canada or any destination outside of the United States
 


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