Remove Old Thermostat - Honeywell RTH7500D Owner's Manual

Step 3. Remove Old Thermostat
1. Turn off power at the heating and/or cooling system
or fuse/circuit breaker panel.
2. Remove the cover from the old thermostat.
3. Remove the old thermostat from the wall or wall-
plate. Do not remove the wires.
Y
G
C
MERCURY NOTICE
If you are replacing a thermostat that contains mercury
in a sealed tube, do not place your old thermostat in the
trash.
Contact your local waste management authority for
instructions regarding recycling and the proper disposal
of an old thermostat containing mercury in a sealed
tube.
69-1730
OLD THERMOSTAT
WALLPLATE
W
R
6
THERMOSTAT
COVER
M22036