Washing Machine Draining Into Sink

Why does this happen.

Washing machine draining into sink.

This means that when the washing machine starts releasing water down the drain that is connected to the sink drain the air will actually be trapped inside the main drain pipe. To start with know that your sink and washing machine drain lines tend to run congruent to each other. Both drains may empty into a toilet waste line and be. 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.

The washing machine drain hose goes down about two feet into the plumbing drain standpipe. 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. 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. 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. 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. The lint catcher will help prevent fabrics lint hair and other material from making its way down your drain pipe. Water is drained from the washing machine directly into the 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.