1993 Dutchman thermostat upgrade to digital
I am trying to upgrade my furnace thermostat. To a Honeywell rth221b . The only thing my furnace thermostat does is operate the furnace only. No ac or fan control. I can get it to turn the furnace on ...
Forum Discussion
Gadestroyer74 wrote:
We figured it out working like a champ thanks to everyone who offered help . No pictures where showing on my end thanks for the help
Glad you got it to work........
How about posting the wiring connections
OLD wire colors>>>>>>>>>>>>Honeywell terminal
Blue
Red
White
Green
Yellow
