Amazon.com: Honeywell Home RTH5160D1003 Non-programmable Thermostat, White : Everything Else
Honeywell thermostat stopped working. Changed batteries and confirmed breaker did not trip. No reset button from what I see. It's over 10 years old. Could it just be shot at this point? :
Honeywell DT92E Wireless Digital Room Thermostat | Digital Room Thermostats
Honeywell PRO TH2110DH1002 Horizontal 5+2 Day Programmable Thermostat