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View Full Version : Toilet water empties when we run garbage disposal


andlofly
Jan 30, 2016, 09:42 PM
Hello.

Whenever we use our garbage disposal the water bowl in the toilet empties. What would cause this to happen? And how do we go about correcting it?

hkstroud
Jan 31, 2016, 06:10 AM
What would cause this to happen?
A blocked vent.


And how do we go about correcting it?
Snake the vent from the roof'

Where do you live, could the vent be blocked from snow and ice?

Do you have an AAV (Air Admittance Valve) in the plumbing under the sink?