Switching thermostat from farenheit to celsius

Press and hold up and down temp buttons together to enter settings menu. Then press up to option 14. Press down to change to option 0 (Fahrenheit). 1 is Celsius. Press up and down together to save and exit. Good Luck!!

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There are 3 dip switches on the subbase. the first one controls C or F. Down is C, Up is F.

Is this a heat pump unit?

Inside the thermostat (behind) are 3 tiny DIP switches.Switch #3 should be set to OFF or click it to the left to display *F.You can use a tiny scerwdriver

Press and hold the ON button for 5 seconds. That should switch it to farenheit.

Hope this helped you.

Just mark the old wires on the old thermnostat...R , W etc...and put them on the same terminals on the new 1.....also there should be some adjustment ire : switch on the back or under the cover to adjust for Hot water heating or electric heat...either is the setting you should have it on....also you shouldn't setback the thermostat at night or when away very much....2 degrees is fine , as the boiler will run along time to raise the temperature in the morning and may not get there by the set time

You need to go into the setup mode to change it. Push and hold the i button along with the increase and decrease buttons. All the segments on the display will appear for about three seconds, then setup number will appear to the left and factory setting to the right. Change the setup number by pressing the (i) button until you get to 14. This is the degree temp. display, factory setting is 00. Use the arrow up key to change to 01 (celsius).To exit setup, push and hold the(i) key until the display returns to normal.

go to myhome.honeywell.com and search for a manual for your model number thermostat on the right hand side of the page

When you do your system setup, Function 320 controls your temp. format. Set Function 320 to 1(celsius); Then press DONE. This will solve your problem.( Function 320 is defaulted to 0-Farenheit).

There is usually a TINY switch on the main board. It could also involve holding a push botton in for a couple seconds. It all depends on the specifics of the thermostat.