Owner’s Manual
Read and save these
instructions.
For help please visit
yourhome.honeywell.com
RTH7400/RTH7500
RET97D
Series
Programmable
Thermostat
Installation is Easy
1. Label wires and remove your old thermostat
2. Install and wire your new thermostat
3. Set your new thermostat to match your heating/cooling system
•
This thermostat works with virtually all System Types
•
It is preset for the most common system
Do you need assistance? We are here to help.
Call 1-800-468-1502 for wiring assistance before returning
the thermostat to the store.