Product Overview

8400 SERIES FEatuRES:
SaVE ENERGY AT THE
tOuCH OF a Butt ON.
8400 Series Thermostat
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Energy Savings - set back temperature overnight or when you’re away*
Convenient service reminders – keeps your system running at peak efficiency
Avoid hot and cold spots – circulate fan mode maintains consistent temperature
throughout your home and keeps your air clean
Easy to read – large 4.5 square inch LCD with high contrast
Outside temperature display – available with optional sensor
More comfort – progressive recovery system gradually starts your heating and
cooling to achieve your desired temperature at the time you want*
*Programmable models only