Washing machine drain overflows with new washing machine water volume got a solution?. Answered
All other plumbing works great, this one backs up with new washer water volume during spin? Can I run a snake down the vent? Any other suggestions? I ask this because there doesn't seem to be an open airwary when draining high volume of water. When washing machine stops draining the water flows down the pipe. It is just when it is too much volume that the problem occurs. Probably a gallon of water ends up on floor. Need some advice.
Note that adjacent to laundry room is half bath and plumbing there is working fine, also kitchen sink and dishwasher are within 15 feet and no problems from them.
Looking for advice.