Originally Posted by
Phillip Stojanik
Jerry,
There is indeed an air gap present assuming that the HVAC equipment drain source is located higher (from a gravity perspective) than the flood rim of the sink to which the HVAC's primary drain line is connected.
What and where?
Please explain.
(I think I know what you are going to say, and, if I do, you are incorrect. Hopefully, you will say something I am not thinking of.)