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Owner’s Manual
Read and save these
instructions.
For help please visit
yourhome.honeywell.com
RTHL2510/RTHL2410
Series
Programmable
Thermostat
Identify System Type
This thermostat is compatible with the following systems:
•
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
•
Heat pump with 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 multistage systems.