Plumbing Forum - Professional & DIY Plumbing Forum > General Plumbing Discussion > General Plumbing Help > Sewer 3" Cleanout pipe, but plug is 1 3/4" Would like to convert



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Old 12-09-2013, 11:46 PM   #1
thesolidman1
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Default Sewer 3" Cleanout pipe, but plug is 1 3/4" Would like to convert

Hi, I have a sewer cleanout in my garage. It is a 3" pipe but the plug size is 1.75", it a appears to use an adapter or reducer. I would like to know if it's possible to remove the reducer and upgrade the opening to a larger size plug, so I could use a mainline snake with a root cutter. The cleanout is surrounded in concrete and pretty much flush, see pix.Thanks very much for any help!!



Sewer pipe 1.jpg   Sewer pipe 2.jpg   Sewer pipe 3.jpg  
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Old 12-11-2013, 01:29 PM   #2
Mr_David
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That is not a 3" pipe , but only a 2" you are looking at the hub of a lead joint fitting. Also not a clean out for the main line , to small. Probably just a lateral 2" line for a sink or laundry drain



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Old 12-11-2013, 03:11 PM   #3
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Hi, ok that makes sense as it is right behind the washing machine. Thank you very much for your help. So would this be OK to access the main sewer line with a snake? I was thinking of heating the pipe and removing the lead adapter, and then capping with an expandable rubber type. This would give enough room for a snake with a cutter. Thank you again!

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Old 12-12-2013, 12:24 AM   #4
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What Mr. David is saying is that the fitting and pipe beyond the cleanout are only 2", so you won't gain anything by removing the cleanout adaptor.

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