Honeywell RTH8500D Owner's Manual - Page 54

Replace Batteries

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Replace Batteries 1. When the LO Battery indicator is flashing, replace the batteries promptly with three fresh AAA alkaline batteries M19963 2. Remove thermostat from the wallplate by pulling straight out. WALL 69-1725-1 M22243 54

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69-1725-1
54
Replace Batteries
1.
When the LO Battery indicator is flashing, replace the
batteries promptly with three fresh AAA alkaline batteries
2.
Remove thermostat from the wallplate by pulling straight out.
M19963
M22243
WALL