Make sure that the CT3200 is the right thermostat for your heating/cooling system. Read the compatibility chart below todetermine which system you have. If your system is not compatible with the CT3200, the table recommends an alternateHoneywell model. If you are unsure what type of thermostat is right for your system, visit us on the … Continue reading Honeywell Thermostat CT3200 programmable thermostat Owner’s Manual