toilet gurgling
Posted by Delbert Elliott on February 12, 19101 at 12:19:57:
My upstairs toilet seems to gurgle when I am taking a shower. I believe it is related to a lift pump that is used for the downstairs toilet. Whenever that pump comes on the toilet gurgles. However, I am not sure how the water from the shower is getting into that lift pump. The outlet from that pump does not seem to connect to the same set of pipes as the shower drain. I have been told it could just be a bad check valve on the lift pump but I am having trouble tracing the water's path from the shower drain to the check valve. Could this point to a bigger problem?

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