washing machine drain

hi! I need to conenct a washing machine evacuation pipe to the current installation but i'm not sure if i can directly connect it or if it needs to have another elbows or siphon etc..? info: -On the pictures, the vertical pipe looks conencted but it is not..it's hanging.. -there is already a...

Thank you to all the knowledgeable people who help on this forum. I have noticed that when our washing machine drains, water comes out from behind the wall in the finished basement. I confirmed the water is not coming from the machine itself, so suspect there is an issue with the drain line...

Have a frustrating situation with a common issue: washing machine drain pipe is overflowing at the wall. Older house with narrower pipes, but have run this same machine successfully for the most part for five years. It would occasionally back up when using different cycles but now it won't run...