Easy Installation - Honeywell RTH7400 series Quick Start Manual

Installation is Easy
Label wires and remove your old thermostat
Install and wire your new thermostat
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
This thermostat works on 24 volt or 750 mV systems.
It will NOT work on 120/240 Volt systems.
We are here to help.
Call 1-800-468-1502 for
wiring assistance before
returning the thermostat
to the store.
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