I have a Heil 20 + Year Old Natural Gas Furnace Model NUGE125BH02 with a York Air Conditioner of same age. Just replaced filter and saw a Red Wire Dangling with 'Move to Change Cooling Speed' on...
I have a 20year old Heil gas updraft with electric start and it has stopped starting. I checked out all electrical connections and the pressure switch and all wiring seems to be OK. I cleaned the...