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Okay when this overfilled did shutting the machine off or unplugging it stop the water from coming in? Or did you have to shut the water valves off?
Unfortunately, I don't think we can run the test you suggest, since this was custom built into an addiiton to our house and there's cabinet work on one side and a wall on the other.
I think we're going to have to pull it out far enough that the hose (which we can't even see) will disconnect. I recall the builder had a bit of a challenge getting this in to begin with.
A couple of questions for now: You say pull the drain hose out of the drain: actually, it's connected to a purpose-built drain which isn't like the old hose-to-utility-room-sink setup. I assume it's ok to just use a bucket . . .
Assuming there IS water coming out, what then?
Assuming there is NO water coming out, I assume we should try to clear the obstruction from the drain as well as "the pressure". How do we go about doing that?
I'm not sure when we're going to be able to get to this, but I understand that our subscription is for 30 days and can return later with follow-up quesions. Is that correct? Thanks.