In fairness to all, we don't discuss pricing on the Wall. Thanks for your cooperation.
if it's a High limit issue or that it can't keep up with the cold weather?
It's set at 180, 425btu 9-family with baseboard heaters.
The last cold snap -5 it ran same way with longer flat tops peaks, but it was colder then. The outdoor reset was on N that time and a notch below this time, I think I can rule out that setting since it did same thing.