New answers tagged furnace
Shorting one of the thermostat wires to ground might have tripped the breaker on the 24 VAC transformer that powers the thermostat. Another option is that you damaged multiple wires but only the white one badly enough to notice it.
I found this statement from the manufacture (Fasco) of my old and replacement part: The blower is designed to produce a certain amount of air-flow measured in CFM (cubic feet per minute). The airflow in some furnaces is needed to create a specific amount of vacuum at the vacuum tap mentioned above. If the replacement blower is not the exact one ...
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