All ActivityMost RecentMost LikesSolutionsRe: 1993 Dutchman thermostat upgrade to digitalI'm a truck driver and gone outta town now.i will try to remember when I get back homeRe: 1993 Dutchman thermostat upgrade to digitalWe figured it out working like a champ thanks to everyone who offered help . No pictures where showing on my end thanks for the helpRe: 1993 Dutchman thermostat upgrade to digitalSure would be thankful for that. I would post pics to show if someone can post them for me I can email them to youRe: 1993 Dutchman thermostat upgrade to digitalI tried the wiring of what you listed above it wouldn't do anything here is the way it was wired prior to taking them off the old one Re: 1993 Dutchman thermostat upgrade to digitalI didn't program any temps just done the manual set. I turn the temp up to get the furnace to come on. Wait a few and turn it back down below the inside temp. It turns it on and the furnace lights. Once I change the temp back down to below the current temp and it sets it turns the furnace off on the thermostat however the furnace is still lit and running and doesn't go off unless you switch the selector switch to the off position1993 Dutchman thermostat upgrade to digitalI 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 but it will not turn it back off once it's reached the desired temp. My furnace is a dura flame. I have a blue wire red wire white wire green wire and yellow. I out the wires into the slots with the letters initials. Everything is working right except it's not turning the durance off any help here ?