7-Day Programmable Thermostat (RTHL2510C)

Our 7-Day Programmable Thermostat excels at simplicity and reliability. You get smart features such as 7-day programming and Early Start in a thermostat that’s easy to install, simple to operate and the dependability of Honeywell.
Verify compatibility with your home heating and cooling system, remove your existing thermostat and follow step-by-step instructions for installation.
Easy to install. Even easier to operate.

Once you install our 7-Day Programmable Thermostat RTHL2510C, you’ll wonder how you did without it. Thermostat technology has come a long way. It’s easy to program each day of the week differently based on your lifestyle. Other features such as Early Start and precision temperature control add to your comfort and savings.

  • Seven-day programming
  • Program each day differently — up to four programs per day
  • Easy to use
  • Display options
  • Daylight-saving time (optional)
  • One-year limited warranty
  • DIY installation
Backlit Display
Easy to read, even in dimly lit rooms and hallways
Early Start
Ensures set temperature is reached by the programmed time
Precision Temperature Control
Within +/-1 degree F for maximum comfort
  • Model number: RTHL2510C1002
  • Color: White
  • Dimensions: 4-3/4 in. wide x 3-3/8 in. high x 1/1-8 in. deep

Compatible with systems

  • This thermostat is compatible with heating and cooling systems and heat pumps.
  • It is not compatible with electric baseboard heat (120/240V) or multi-stage heating/cooling.

Follow the quick installation guide that comes with the 7-Day Programmable Thermostat RTHL2510C. If you misplaced this guide, you can find it in the resources section below. Installation is fast and easy. Remove your old thermostat and be sure to label the wires. Install and wire your new thermostat. Set your new thermostat to match your heating/cooling system.


Download PDF
7-Day Programmable Thermostat Owner's Manual
Model: RTHL2510, RTHL2410
English, French
Download PDF
7-Day Programmable Thermostat Owner's Manual
Model: RTHL2510, RTHL2410
English, Spanish
Download PDF
7-Day Programmable Thermostat Operating Manual
Model: RTHL2510,RTHL2410
Download PDF
7-Day Programmable Thermostat Installation Manual
Model: RTHL2510,RTHL2410