sewer odours
Posted by John on March 10, 19101 at 08:15:15:
We have a cottage in a new sub-division that only has a few houses on the street. Lately we notice sewer gas smells when we come in for the weekend. we have also noticed sewer gas smells from our roof vents as well as a manhole directly outside our house. Last week I poured boiling water down the roof vents to clear them. it seemed to help, but now it is back again.
should I install a trap in the main outgoing sewer line.It is very unpleasant.

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