Class-B wall thimble with 5-inch inner diameter in specs. Is the actual diameter larger?
- Thread starter SwampLife
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Not sure. I looked at a couple on line & only one of those had the actual ID posted. That measured 5.625”
It seems to be hot or miss. I've contacted Jim at Jamestown to see if I can get the original part. Otherwise Menards say they have one that measures 5 inches.
I have one that measures 5.5 inches. I can run a gasket around the pipe to make that work but it's a lot more work and would need maintaining over the long term.
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