Ok, I don’t ever hear gurgling from other drains, so whatever they did end up doing must be set up properly. There is what looks like a capped vent that ends just a bit above the cupboard floor, guessing it acts as a buffer for air pressure to allow it to fluctuate without venting the gases into my living space.
Might be an air admittance valve. Those are usually used when venting to the roof isn’t possible or practical.
Plumbing is one of those things that’s sort of an art. You can do a whole bunch of shit wrong and have it still technically function properly. Nobody will know except you and the next person who actually knows what they’re looking at.
Ok, I don’t ever hear gurgling from other drains, so whatever they did end up doing must be set up properly. There is what looks like a capped vent that ends just a bit above the cupboard floor, guessing it acts as a buffer for air pressure to allow it to fluctuate without venting the gases into my living space.
Might be an air admittance valve. Those are usually used when venting to the roof isn’t possible or practical.
Plumbing is one of those things that’s sort of an art. You can do a whole bunch of shit wrong and have it still technically function properly. Nobody will know except you and the next person who actually knows what they’re looking at.
It’s surprising how much depth there is to plumbing. And alarming how easy it is to become overconfident that one has it mostly figured out.