To add a washing machine waste pipe to the sink you need a spigot connection which means that pipe work taking one incoming pipe can take two.
Sink water going into washing machine. Here is just one of a few ways of dealing with it. It needs fixing securely at correct height. Sometimes overnight A water valve is jammed open usually because grit has got in the valve on rare occasions there can be power going to the valve usually a short circuit on the mother board the water in the drum will be clean.
If you have connected the washing machine drain hose to your kitchen sink there may be the possibility that when the sink is emptied some of the dirty water from the sink goes into the washing machine through the drain hose connection. If the water is entering through the drain hose from the u-bend the water might be smelly or dirty. How to Stop Water from the Sink Going into the Washing Machine 1.
Smaller drain lines will not accommodate the volume of water discharged from the washer. Water could be running into the machine from the sink if the drain hose is connected directly to the u-bend under the sink. Switch the power button on the machine off if your model has one.
Drain the washing machine of water. If the drain hose pumps into a stand pipe. Having trouble with washing machine smells or blocks.
Connect the washing machine to the sink drain if the drain pipe is a 2-inch line. The problem Im noticing is that water comes from the sink straight to the u-bend ive learned its called a trap in between the down pipe from the sink and the u bend is the inlet where the washing machine hose joins the waste system. It is an illegal connection.
Both drains may empty into a toilet waste line and be. Remove a drain pump clog. Like if the washing machine is draining and the sink is also draining the pressure.