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Old 10-26-2011, 08:30 PM   #1
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How to replace 2" ABS elbow


I discovered a drywall screw has punctured a 2" ABS elbow. What is the best way to replace this? I've worked with PVC and ABS a bit before so I'm familiar with working with it but I've never attempted to replace a piece in the middle of a run as I know I probably won't be able to glue and twist both ends at the same time.

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Old 10-26-2011, 09:08 PM   #2
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How to replace 2" ABS elbow


Although its nice to be able to twist the pipe in as you glue its not mandatory. Get yourself a new 90, a pair of couplings and some pipe. Cut out pipe as needed, glue on the couplings to the existing pipe ends and build to the new 90. Make sure to apply glue liberally to the 90 and pipe ends and push it on. Wipe away excess glue and your done.

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Old 10-26-2011, 10:02 PM   #3
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How to replace 2" ABS elbow


Make sure there is enough flexibility in both pipes so that you don't end up stuck. If they won't move much, you might need a no-hub coupling on one side.
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Old 10-27-2011, 12:28 AM   #4
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How to replace 2" ABS elbow


Looks doable. Is a rec saw the best way to get a clean cut in a tight spot?
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Old 10-27-2011, 10:18 AM   #5
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How to replace 2" ABS elbow


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Originally Posted by n0c7 View Post
Looks doable. Is a rec saw the best way to get a clean cut in a tight spot?
I like using this for tight areas. http://www.tools-plus.com/stanley-20-220.html

Reciprocating saw can be hard to get a straight cut especially if it's a tight area.
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Old 10-27-2011, 05:29 PM   #6
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How to replace 2" ABS elbow


Buy the cheapest ABS fitting you can find, size or type fitting does not matter. Use a very coarse file and grind off about 3 tablespoons of ABS filings. Clean the spot with the hole with MEK solvent. Mix MEK with the ABS filings to a thick slurry(thicker the better). Use the slurry to patch the screw hole.

Or just hit it with a dab of silicone.

The plumbers will hate me for this.

Either method will outlive you.

BTW, I assume this is a DVW connection.
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Last edited by rjniles; 10-27-2011 at 06:08 PM.
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Old 10-27-2011, 05:46 PM   #7
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How to replace 2" ABS elbow


Quote:
Originally Posted by rjniles
Buy the cheapest ABS fitting you can find, size or type fitting does not matter. Use a very coarse file and grind off about 3 tablespoons of ABS filings. Clean the spot with the hole with MEK solvent. Mix MEK with the ABS filings to a thick slurry(thicker the better). Use the slurry to patch the screw hole.

Or just hit it with a dab of silicone.

The plumbers will hate me for this.

Either method will outlive you.
I would try this first.
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Old 10-27-2011, 06:33 PM   #8
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How to replace 2" ABS elbow


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I would try this first.
same here, esp. for a small hole from a screw. there are also some heat activated welding pastes available that will work as well.
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Old 10-27-2011, 09:05 PM   #9
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How to replace 2" ABS elbow


Quote:
Originally Posted by rjniles View Post
Buy the cheapest ABS fitting you can find, size or type fitting does not matter. Use a very coarse file and grind off about 3 tablespoons of ABS filings. Clean the spot with the hole with MEK solvent. Mix MEK with the ABS filings to a thick slurry(thicker the better). Use the slurry to patch the screw hole.

Or just hit it with a dab of silicone.

The plumbers will hate me for this.

Either method will outlive you.

BTW, I assume this is a DVW connection.
Option 1 : Buy fitting. Grind it in to pieces. Jerry rig the crap out of your plumbing.

Option 2 : Buy fitting. Fix your problem properly. Less work, better results.


I can't believe you would recommend doing something like that.

Replacing the elbow isn't that difficult. Just do it right.
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Old 10-27-2011, 11:14 PM   #10
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How to replace 2" ABS elbow


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Option 1 : Buy fitting. Grind it in to pieces. Jerry rig the crap out of your plumbing.

Option 2 : Buy fitting. Fix your problem properly. Less work, better results.


I can't believe you would recommend doing something like that.

Replacing the elbow isn't that difficult. Just do it right.
I said the plumbers would hate me
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Old 10-27-2011, 11:52 PM   #11
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How to replace 2" ABS elbow


Thanks for all the suggestions. I cut out the elbow and replaced it.
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Old 10-27-2011, 11:55 PM   #12
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How to replace 2" ABS elbow


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Thanks for all the suggestions. I cut out the elbow and replaced it.

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