At the last minute my donut fitting tapped in another inch. This offset my dry fitting. Does the vertical stack need to be perfectly vertical to pass inspection?




Looks like my boot didnt seat all the way in my haste to get the plumbing hooked back up. Think the inspector is going to make me redo this joint?

Probably not, but it points out why "dry fitting" is seldom a good idea.

My first time working with PVC, as a non-plumber, I thought dry-fitting was a great way for a DIYer to avoid mistakes. I soon discovered how mistaken I was. I sawed it out, and started over, measuring more precisely.

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Links to the State of Wisconsin Plumbing Code:
[docs.legis.wisconsin.gov]
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I am not a plumber.
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the inspector might flunk the fernco in the vertical stack.
also there is supposed to be a full size main cleanout where the cast iron comes thru the wall.

Yes dry fitting doesn't work if you want everything to meet end to end the way its supposed to. As a fellow DIYer I also dry fit sometimes on tricky situations to get the slope right, but then would cut new materials for final assembly.

To pass the inspection, you can create the illusion of the pipe being "vertical". In other words, shim one side of that tall water heater to get it to tilt a bit. Bring in a couple of sheet rock to "haphazardly lean" against the wall to cover its vertical lines, when the inspector come stand next to the pipe as if you are standing straight up but in reality you are leaning. He might think it is vertical LOL. Offer him a beer.