I know that the smaller appliance vent connector should be above the larger appliance vent. In this case, they both join together at the flue. What are your thoughts?
My thoughts; is the thing venting properly?
Performance is the ultimate test.
You know it’s wrong, so write it up as wrong.
Tests for performance to ensure it’s not a safety concern from back drafting etc.
This addresses the severity criteria of the issue.
Good response - thanks David.