Basic Non-Programmable Thermostat (RTHL111B)

The Basic Non-Programmable Thermostat excels at the basics: ease of use, temperature control, simple display and ensuring your home is comfortable.
Verify compatibility with your home heating and cooling system, remove your existing thermostat and follow step-by-step instructions for installation.
The basic thermostat that solves the complexity of heating and cooling

Our Basic Non-Programmable Thermostat RTHL111B delivers on the basics while the unit itself handles more complex tasks such as precision temperature control. All in all, you get a thermostat that’s simple to use and keeps you comfortable.

  • Easy to use
  • Easy-to-read display
  • Precision comfort control
  • Display options — degree Celsius or Fahrenheit temperature
  • Easy-access battery replacement
  • Set point retained in memory (in the event of power outage)
  • One-year warranty
  • DIY installation
Precise Comfort Control
Within +/-1 degree F for maximum comfort
Model/Sku #
Model number: RTHL111B

Compatible with systems

  • This thermostat is compatible with heating and cooling systems, plus heat pumps without auxiliary heat.
  • It is not compatible with heat pumps with backup heat, multi-stage heating/cooling systems and electric baseboard heat (120/240V).

Follow the quick installation guide that comes with the Basic Non-Programmable Thermostat RTHL111B. If you misplaced this guide, you can find it in the resources section below. Installation is fast and easy. Remove your old thermostat, but be sure to label the wires. Install and wire your new thermostat. Set your new thermostat to match your heating/cooling system.


Download PDF
Basic Non-Programmable Thermostat Owner’s Manual
Model: RTHL111

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