We have no basement, but a lower level that allows entry from the garage. That lower level houses the furnace, A/C and a floor drain in the foundation. This year, the first time the A/C turned on, the drain backed up into the room. I assumed it had just been clogged with dust and debris from being unused through the winter, and it eventually went down and seemed fine. Some weeks later, it backed up again, and now seems to be a constant problem.
Any ideas what is causing this?
How might we fix it ourselves?
Often when you have no event/cause that you can think of, it's tree roots outdoors that eventually gets into drain pipes. A plumber with 'roto-rooter' type drill fittings is your best bet. Not that expensive. Get some estimates.
My dumbest thing was when I poured left over wall paper paste down the drain. Called the plumber.
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Your best course of action is to call someone with a camera and have them make a DVD of what's going on inside your drain. Then you'll know what you're dealing with.
Last scope job I was on the original builder/HO only ran the drain a few feet past the outside wall and didn't hook it into anything. So the new HO had a water softener installed, and the unit did it's regen cycle, and the mech room flooded.
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