Quote:
Originally Posted by vintageogauge
No, only my home, they could not find my outside trap which was clearly visible and they assumed I was tied in with the neighbors. With nowhere for the pressure to go with the trap closed tight it all went into the house and up through the toilets.
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I don't know what you mean by an "outside trap". The only thing visible outside your house is a cleanout plug. That is an access connection for a plumber to unclog your drain line. Your sewer line is not connected to your neighbors. It drains directly into the main sewer line in the street. There is no plumbing trap or backflow prevention device outside of your house. You just have an open drain pipe that runs from your house to the sewer line that runs down the middle of the street.