Skip to product information
1 of 8

Honeywell Home

Honeywell Home RTH221B1039 1-Week Programmable Thermostat

Honeywell Home RTH221B1039 1-Week Programmable Thermostat

Log In to View Pricing

Brand: Honeywell Home

Color: White


  • ONE WEEK PROGRAMMING: Set one program for the entire week with four program periods per day including wake, leave, arrive and sleep
  • PRECISE TEMPERATURE CONTROL: Precise temperature control of +/- 1 degree Fahrenheit
  • DIGITAL DISPLAY: Easy-to-read digital display with an intuitive interface for one-touch access to setpoint temperature
  • EASY INSTALLATION: Easy to install yourself and basic operation keeps programming simple
  • REMINDERS: Built-in battery change reminders
  • SET POINT RETENTION: Set point is retained in memory in the event of a power outage
  • DISPLAY OPTIONS: Fahrenheit or Celsius; 12 or 24 hour clock
  • OVERRIDE OPTIONS: Permanent and temporary override capability
  • COMPATIBLE WITH: Heating, cooling and heat pumps without auxiliary heat options
  • Does NOT work with electric baseboard heat (120-240 V), heat pumps with backup, or multi-stage heating/cooling

Binding: Tools & Home Improvement

model number: RTH221B1039

Part Number: RTH221B

Details: This easy-to-operate 1-Week Programmable Thermostat helps make your home comfortable exactly when you want it. Programmable for one week, it lets you customize your schedule with four options – ‘wake’, ‘leave’, ‘return’, and ‘sleep’ – for precise temperature control and added comfort. Simple step-by-step instructions included with the thermostat make DIY installation easy.

EAN: 0785577812415

Package Dimensions: 8.0 x 6.5 x 2.5 inches

View full details