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M3375
Recycling Notice
This control contains mercury in a sealed
tube. Do
not
place control in the trash at the end
of its useful life.
If this control is replacing a control that
contains mercury in a sealed tube, do
not
place
your old control in the trash.
Contact your local waste management
authority for instructions regarding recycling and
the proper disposal of this control, or of an old
control containing mercury in a sealed tube.
Welcome…
to the world of energy savings with your new
Honeywell thermostat. The Honeywell name is
your assurance of accurate control and reliable
operation for years to come.
Your new thermostat will automatically lower
and raise the temperature in your home one or
more times every 24 hours. This allows you to
significantly lower your fuel costs, while awaken-
ing (or returning home) to a comfortable
temperature.
Read this manual to learn how to use your
new thermostat.