Installing a new vanity, and like idiots, we forgot to account for a floating cabinet when plumbing hookups went in, so the drain outlets have about 3-4 inches clearance below, but there’s plenty of space otherwise. The plan is actually to try some waterless valve traps anyway, but if we don’t like them, or there’s some future inspection issue, can it simply be sloped up at a 1/4 -1/2 in grade? Maybe also with some bends to save space?

My plumber comes to install in a few days, and I’d like to know how much of an idiot he’ll call me

  • QuarterSwede@lemmy.world
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    25 days ago


    This is clever as hell. Don’t know if it’ll pass code though if you’re already permitted. I’m sure it’ll work just fine, but how long is unknown since it’s new(er) technology.

    If you have enough space, it looks like this one might be a better alternative since you can open the front to clean the membrane out (which you will need to do to keep it sealed over time).