Originally Posted By: anatol polillo
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Today I had an inspection, 5 year old SFD. In the basement, at the sump pump, there was a 5-6 in. plastic pipe that appeared to be venting the sump. There was no draft inducer. The pipe ran up the wall, along the ceiling, then up and out of view. On the roof there were 2 vents. One was for the plumbing and my guess is that the other is the one from the sump pump.
Have any of you seen this before? It was a first for me.