It will either swing up or down, or side to side.

How to open honeywell thermostat cover youtube. Remove the cover from the old thermostat. Find that location, and use your fingers to grasp the edge of the cover and gently swing it open. To remove the cover from a honeywell programmable thermostat, pull the lower right corner of the thermostat to loosen and detach it.

Any honeywell thermostats from the 3000 series require you to pull at the bottom of the. 4 wires through wall opening m20133 a. A programmable honeywell thermostat is larger than a basic thermostat and.

Honeywell thermostat 5.2 models rth2300b and rth221b can be a challenge to open, to access the batteries. This will allow you to enter the key code to turn off your lock. And voila youve removed the thermostat.

( my thermostat is upc code 085267406123. With most honeywell models, the default keypad. Press the center button and hold to unlock the keypad.