Honeywell RTH7500D User Manual

69-1730

6

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. 

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.

Y

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.5

.4

L

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THERMOSTAT

COVER

WALLPLATE

M22036

69-1730.fm  Page 6  Tuesday, July 13, 2004  12:45 PM