Originally Posted by
GraphiteGhost
I believe there is at least one sensor in the ductwork for the system (but that wasn't the point). Never mind, you asked the question, I answered the part about closing the windows that was in the list from member DTMenace to a different member. Good luck.
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A sensor in the ductwork still would not make a difference with a stuck/clogged duovalve.
You sent me a PM a while back to stay out of each other posts, so let's go back to that agreement.