Covers How to reset Honeywell thermostat RTH9580WF. This method does the following. First of all, it clears out all custom settings. Then, it resets the WiFi network. Lastly, it restores RTH9580WF back to factory default state. So, follow the steps below, to hard reset this remote controlled thermostat. We suggest this routine when fixing problems … Continue reading How to Reset Honeywell Thermostat RTH9580WF