Drain Utility Sink Into Washer Standpipe

If the washer standpipe is pvc and the sink drain will be pvc of the same size the connection is easy.

Drain utility sink into washer standpipe. The proper way to drain a washing machine isn t to hook the hose over the edge of a utility sink as many homeowners do but to install a standpipe and secure it to the wall framing. You may need a special drain hose depending on the distance of the washer to the sink. Older laundry tubs drain the washing machine leaving dirt and soap scum stains. The elbow remains filled with water preventing sewer gas from backing up into your laundry area.

Discharging the rinse water into a standpipe keeps the tub clean. Buy a t shaped pvc joint cut the standpipe insert the t so that the cross is vertical. You can install a bracket or wire ties on the back of the sink so the washer drain hose is permanently attached to the sink. This is the new pvc drain pipe.

I will be putting the utility sink in the empty space between the dryer and the white wall in the picture the washing machine is immediately to the right of the dryer. If you can install your washing machine in the garage and next to a utility sink then yes you can let it drain into the sink.