[David and Teresa]

On further inspection, the air leak noise is occurring in the center wiring trough above the water tanks. I can't see it, but it's above where plumbing is. In order to get further in, I'm going to have to take out the Aqua Heat overflow tank and the water softener. Then I should be able to see the area. I'm hoping the air line is on the outside and not buried in the middle of all the wires and tubing in that trough.