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dharlan50 02-03-2011 04:45 PM

How to plug hole in garbage disposal after removing dishwasher and piping
Help, Please. While I was gone (couldn't say and watch, had to go to work) a handyman came to my house to remove my dishwasher and take it to my duplex that I just rented. He removed the dishwasher and connections (I don't know what kind of connections), but I now have a hole towards the top and on the side of my garbage disposal that, when I turn the water supply back on, water drains out of it instead of the proper way for my sink to drain. I don't know what to do. I can't use my kitchen sink because of this. Is there some kind of cap that I can buy at Home Depot or Lowes to screw onto this hole in the side of the disposal? The hole comes out about half an inch and is approximately 6/7 or 7/8 inches wide. I am not a handyman at all and don't know how to fix this problem. Any suggestions would be welcome.

bbguy5 02-03-2011 05:25 PM

You need a cap. That hole is for the dishwasher drain line. Visit your nearest big box stores and ask them for a cap for it.

dgeorge 02-03-2011 05:34 PM

If for some reason you can't find the cap, Lowes sells a large rubber plug in the hardware aisle. It will fit in tightly if you tap it in with a hammer. Temporary fix though....

gma2rjc 02-03-2011 08:00 PM

dharlan, in 2005, when I was putting new flooring down, I called a plumber in the Yellow Pages to come over and remove my dishwasher, which included pulling the drain line where it drained into the plumbing under the kitchen sink.

While he was working under the sink, he asked, "Do you have a little piece of plastic, like a piece of bread wrapper and a rubber band?"

I didn't think anything of it and cut a chunk of plastic off of a bread bag and found a rubber band for him.

A few days later, I was done laying the laminate flooring down in the rest of the house and got to the area in front of the sink. I noticed the floor was a little bit wet there, so I opened the cabinet door and looked around for a leak in the pipes.

I immediately found the piece of bread wrapper and rubber band I had given the plumber. It was being used to cap off the part of the drain where the dishwasher line had been connected. I guess he was too lazy to walk out to his truck for a proper cap.

dharlan50 02-04-2011 11:32 AM

Thanks to everyone's input
I went to Lowes last night. They said the only thing they had in the store that would work was the plastic stoppers that you would put on the bottom of old type kitchen chairs or table, so as not to be able to "scoot" the table on the floor. The hole was 7/8", which was exactly the size I measured on the hole in the garbage disposal. Then he showed me the clamp to use around it after I got the plug on. Worked wonderfully! Total cost was:) $3.00.

Mandres 02-16-2011 09:38 AM

What kind of clamp was it? We're in the same boat until I get the new dishwasher installed.

dharlan50 02-16-2011 11:41 AM

To Mandres
I'm not sure what kind of clamp it was. I just Googled it to find a picture and it looked something like what is called a "T bolt band clamp" or a "worm gear clamp." That's the best I can come up with by looking at the pictures on Google.

hardwareman 02-16-2011 10:56 PM

a hose clamp

oh'mike 02-17-2011 06:04 AM

This is what I use----There is a rubber clamp on reducer made for garbage disposers--

It goes from the 3/4"(?) opening down to 1/2" (for use when using a smaller drain line)

Buy a 1/2 " copper cap--hose clamp that into the small side--clamp the larger side to the hole in the disposer.------Look in the rack where the black Fernco rubber fitting are--also look where the disposers are displayed----Mike---

Here's a picture--Google Image Result for

Nana4 03-07-2017 09:45 PM

Re: How to plug hole in garbage disposal after removing dishwasher and piping
dharlan50, Thank you. Read your post and since I was having the same point with my garbage disposal I gave the chair cap a try. Seems to be doing fine. HD guy hadn't heard of it but thought it should work too. Again thank for the idea.

Cheap-a$$ John 06-20-2017 05:02 PM

Re: How to plug hole in garbage disposal after removing dishwasher and piping
My thanks to dharlan50 for the excellent inexpensive solution! The 7/8" rubber leg tips were available at all my local hardware stores and I reused the band clamp when I removed the old washer! So, a quick fix for under $3

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