Heat duct size
I have a front bedroom TT. The duct work that goes to the bedroom is small - maybe 1" it doesn't flow any air to speak of. It's the same size as the duct that terminates under the TT for the "heated" ...
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Also to watch (listen) is if the burner cycles on and off during the heating cycle.
This would indicate poor airflow causing the high limit switch to open.
This would indicate poor airflow causing the high limit switch to open.
