THERMOSTAT
Your thermostat uses three AAA (LR03) batteries. To change them, push the clip in figure 1, then open the case from left to right without letting go.
THERMOSTATIC HEAD
STEP 1
To access the battery compartment, pull back on the steering cap.
STEP 2
Replace the batteries and position them according to the polarity symbols.
STEP 3
Put back the steering cap respecting the placement of the single groove on top and the double groove on the bottom.