The Honeywell RTH221B Basic 1 Week Programmable Thermostat is a simplified and especially easy-to-use 1-week programmable thermostat. This one-piece thermostat has one hassle-free program for every day of the week. The additional bonus of choosing between four preset options such as wake, leave, return and sleep add additional versatility to an already flexible product. The RTH221B utilizes a crystal clear digital display that allows for precise temperature control. This thermostat is compatible with heating, cooling and heat pumps without auxiliary heat options. Please note that this item will not work with electric baseboard heat and multistage HVAC systems.
Product Details
Manufacturer: HONEYWELL
Manufacturer's Part Number: RTH221B1021/A
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Product Features
- Precise temperature control of +/-1 deg F for consistent comfort
- Compatible with heating, cooling and heat pump without auxiliary heat
- Simply programming - one program for the entire week, up to 4 periods per day
- Does not work with electric baseboard heat (120 to 240 V) multistage HVAC systems
- Easy to read digital display, Fahrenheit or Celsius temperature, 12 or 24 hrs clock
Product Specifications
| Dimensions | 3.38 in W x 1.11 in D x 4.75 in H |
| Display Type | Digital |
| Power Source | AAA Battery |
| Suitable for | Heating and Cooling System, Heat Pumps without Auxiliary Heat |
Product Documents
| Instruction/Installation Manual | Click here to download |