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Old 11-20-2011, 12:41 AM   #1
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Pipes too high & too extended for new sink install


Hi, all. First off, you should know that I am a women who knows nothing about plumbing. I'm writing because my husband is too stubborn--God love him--to do so.

We had a new 60/40 undermount kitchen sink w/ recessed drains installed and my husband is having trouble connecting the pipes. He says that the "v" looking pipe that comes out of the wall is set too high and sticks out too far. We have a new garbage disposal to consider also.

Does he need to start from scratch? Help!

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Old 11-20-2011, 07:50 AM   #2
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Pipes too high & too extended for new sink install


Probably, but a pic would help us help you. There are packaged drain pipe systems at big box stores for double bowl sinks, and probably for one with disposal. But no two installations are same, so some modification may be needed.

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Old 11-20-2011, 07:58 AM   #3
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Pipes too high & too extended for new sink install


Usually the old piping needs to be removed and the opening lowered.

Open the back of the cabinet and remove the drywall---cot out the T ---add a new one low enough to accept the P-trap from the garbage disposer---

Don't add any T's or Y's to the new opening until the disposer and sink strainer basket are installed--

Loosely install the P-traps----and then figure out the best configuration for the piping---
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Old 11-20-2011, 09:46 AM   #4
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Pipes too high & too extended for new sink install


Thanks for the responses! Here are a few pictures of the setup:





The disposal is supposed to be installed on the right side, but the existing pipe gets in the way. If it's installed on the left side, it's too low for the p-trap. The problem is, there's no place to cut the existing pipe that's already sticking out of the wall. Here's a picture of the pipes up close:



Any thoughts? Will we have to cut into the wall and alter the pipes that way?
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Old 11-20-2011, 10:31 AM   #5
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Pipes too high & too extended for new sink install


Those pipes are in the wrong place so they need to go---If you could temporarily hang the disposer and put on the P-trap will be able to see if the opening is to high.

There is a tool ( a cutter ) that would allow you to cut the pipe out of the wall T--and save the time to open the wall---but we need to know if the opening is to low.

If it is the wall needs to be opened and the wall T-lowered.
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Old 11-20-2011, 11:06 AM   #6
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Pipes too high & too extended for new sink install


Thanks Mike! I decided to fix the pipes (this is the "stubborn" husband now), so they come out of the wall at the proper location. However, I made a very stupid mistake as I was cutting into the wall. I hit the copper pipes, but didn't puncture them. There's a slight cut in two places along the proper cut. No water is leaking or anything, but I'm wondering if that will compromise the copper pipes and lead to future leaks? Should I patch it with a rubber clamp, or does the whole pipe need to be replaced. Here's a picture of the pipe:

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Old 11-21-2011, 08:46 PM   #7
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Pipes too high & too extended for new sink install


You should be fine leaving then alone----If you are concerned---replace the pipe---it's not that difficult if you have any experience with a torch.

Suggestion" Get hubby a Harbor freight Multi tool for a Thanksgiving gift----the are real cheap and make nice cuts in tight places like that----Mike---

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