Honeywell Home RTH221B1021 Programmable Thermostat, 1 Week / 4 Time Periods Per Day, Accurate to +/- 1Degree
Category: honeywell thermostat

About this item
One program for the entire week-4 periods per day.
Digital display
Compatible with heating, cooling and heat pumps without auxiliary heat, Does not work with electric baseboard heat (120-240V) multistage HVAC systems
Accurate temperature control of plus/-1-Degree F for consistent comfort
Display options: Fahrenheit or Celsius temperature display, 12 or 24 hour clock


brand | Honeywell |
color | Off White |
style | Original_Style |
usage | Furnace |
voltage | 120240 Volts |
material | Plastic |
backlight | Yes |
model_name | RTH221B1021 |
item_weight | 7.2 Ounces |
screen_size | 8 Inches |
control_type | Button Control |
display_type | Digital |
model_number | RTH221B1021/E1 |
power_source | Corded Electric |
controller_type | Push Button |
special_feature | Temperature Display, Programmable |
customer_reviews | 4.3 4.3 out of 5 stars 4,211 ratings 4.3 out of 5 stars |
best_sellers_rank | #88,474 in Tools & Home Improvement (See Top 100 in Tools & Home Improvement) #151 in Home Programmable Thermostats |
included_components | Thermostat, Mounting Hardware, User Manual |
number_of_batteries | 2 AAA batteries required. |
item_dimensions_lxwxh | 3.75 x 1 x 4.75 inches |