CT410A provides single-line break.
CT410B provides double-line break.
Temperature Range: 5°C to 25°C (40°F to 80°F).
Electrical Ratings: 60 Hz noninductive.
22A at 120-240 Vac; 19A at 277 Vac.
Your Honeywell Thermostat
Your new Honeywell CT410 Electric Heating
Thermostat provides line voltage control of a
radiant cable, electric baseboard and resistive-
rated fan forced heaters within the ratings listed
® U.S. Registered Trademark
Copyright © 2004 Honeywell International Inc.
All Rights Reserved
CT410A,B Line Voltage
Electric Heat Thermostats
120V to 240V Line Volt Electrical Shock
Can cause serious injury or death.
Do not install this line voltage control
unless you are completely familiar with
house wiring and installing line voltage
If this control is replacing a control that
contains mercury in a sealed tube, do not
place you old control in the trash. Dispose
Contact you local waste management
authority for instruction regarding recycling
and the proper disposal of a old control.
For accurate results when installing your
Honeywell thermostat, follow these instructions
step-by-step. It is recommended that as you
read, understand and complete each step, you
check it off with pencil or pen.
Check thermostat suitability for your home
system after reviewing the ratings listed above.
Be sure your heating system is working,
especially if it has been inoperative for a length
of time. If the system does not work, contact
your local electrician for assistance.
Carefully unpack your new thermostat. To avoid
damage to the sensing element, do not remove
the thermostat cover until wiring is completed.
Save packages of screws, instructions, receipt