Commented: Asbestos INSIDE ductwork??I'm guessing it's fiberglass lined duct work. Every furnace sold has a warning label on it saying that the state of California has determined that fiberglass causes cancer. Proposition 65, I believe.
Commented: Correct Fan relayDoubtful most techs would have that relay on their truck. IMO he should have used what he had to get you going, order the replacement and then came back.