How do I enable auto change over on the TH4210D, TH4110D, TH4110B?
Last updated
2/25/22
The TH4210D, TH4110D, TH4110B does not have an automatic change over feature. Select Heating, off, or cooling with the selector switch to choose the mode you desire.
MESSAGE US
Message us on Twitter for help with our products.
Monday through Friday:
9am to 6pm CDT
Saturday and Sunday:
9am to 5pm CDT
