flies in floor drain
Posted by Steve on August 28, 2002 at 15:44:00:
For the past 2 years, around Labor Day, I have house flies coming from a floor drain...they are gone after about 3 weeks. House is only 3 years old, and floor drain is about 20 feet from outside sewer clean out. Could sewer flies be coming up if the contractor did not put a trap at the end of the line before it dumps into the sewer line? Any suggestions?


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