Locate the Programming Menu: Press the "Program" or "Schedule" button on your thermostat to access the programming menu. The exact button might vary depending on your model. 2. Choose a Programming Mode: Most Honeywell thermostats offer different programming modes, such as:. Programmable Thermostat Models. Honeywell RTH221B: A simple one-week programmable with only one program. The Honeywell RTHL2310B is a standard 5-2 thermostat with two programs. The Honeywell RTH6450D is a 5-1-1 thermostat with three programs. Honeywell RTH2510B1018 is a 7-day programmable thermostat that comes with a digital display.
The Honeywell T4 Pro Programmable Thermostat has several programmable and non-programmable options that can be fine tuned to your schedule. But how do you get it to do what you need? Read the instructions below or watch the video at the end of this post to learn how. Or do both if you really want to be sure.. How to program a programmable Honeywell or any brand thermostat. Most programmable thermostats have very similar options and settings. This video goes over w.