To start with know that your sink and washing machine drain lines tend to run congruent to each other.
Washing machine drains into kitchen sink.
It isn t unusual for the washing machine to share a common drain with a sink.
The output from a washing machine is under pressure and a standard 1 1 2 inch sink p trap assembly is too small to handle it.
In that case the first place where the air can leave is the vent but if the vent is clogged that means that the air will exit through the sink drain.
Overall the sink seems to give you enough buffer capacity to keep up with a washing machine draining.
This means they combine at some point on the way to the main sewer line.
If you have this problem here is video to show how to easy do the job yourself.
Both drains may empty into a toilet waste line and be.
When the washing machine pumps water up into the sink the smell is not to goo.
Of course that will depend on the size of your sink and capacity of your drain.
I d definitely recommend being nearby when you re running this setup i usually wandered back into the room when it was draining to check on it and i never.
Gray water from your washing machine backing up into your sink is one such problem and for many homeowners it can be an ongoing source of annoyance.
It s common for the washing machine to share a drain with a sink and if the laundry room is near the kitchen it could be the kitchen sink.
They both often tie into a waste line extending from a toilet to the main soil stack or directly to the.