The HVAC contractor improperly located a relief vent between the trap and the venting system, allowing sewer gases to flow freely into the attic. The vent pipe was also drilled to make the connection, a violation.
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What's that smell?Gallery: GalleryDescription: The HVAC contractor improperly located a relief vent between the trap and the venting system, allowing sewer gases to flow freely into the attic. The vent pipe was also drilled to make the connection, a violation.