Draining from the washing machine into your laundry sink will allow you to use a mesh lint catcher over the end of your drain hose.
Washing machine draining into sink.
In some machines the drain hose may simply be clamped onto the side of a washtub though this is not an acceptable practice anymore from there the water then goes into a drain trap.
Why does this happen.
The washing machine drain hose goes down about two feet into the plumbing drain standpipe.
The lint catcher will help prevent fabrics lint hair and other material from making its way down your drain pipe.
The drain hose from the washing machine is hung on the edge of the laundry sink.
Water is drained from the washing machine directly into the 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.
To start with know that your sink and washing machine drain lines tend to run congruent to each other.
This means they combine at some point on the way to the main sewer line.
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.
If you re going to connect the washing machine drain hose to the sink drain before the p trap the entire drain including the trap needs to be constructed of a 2 inch pipe.
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.
Connect the washing machine to the sink drain if.