What are the key features of the Honeywell T4 Pro thermostat?
The T4 Pro features programmable scheduling by days of the week, simple on/off operation, easy reset functionality, control of 1 heat stage and up to 1 backup heat stage, automatic or manual system changeover, fan control options, and an optional decorative cover plate. It is designed to be simple, effective, and user-friendly without advanced or unnecessary features.
From the official Honeywell T4 Pro Thermostat manual, page 2
Have a follow-up question?
Answers from the official manual.
Common questions