Non-
Programmable
Thermostat
RTH111
Series
RTH111B1042
Owner’s Manual
Read before installing
For help please visit
honeywellhome.com
Fan
Auto On
Heat Off Cool
Identify System Type
This thermostat is compatible with the following systems:
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Gas, oil or electric furnace
Central air conditioner
Hot water system with or without pump
Millivolt system
Central heating and cooling system
Heat pump without auxiliary/backup heat
Do you need assistance? We are here to help.
Call 1-800-468-1502 for wiring assistance before
returning the thermostat to the store.
This thermostat cannot be used on heat pumps with
backup heat or on multistage systems.