| Power Source | Battery |
|---|---|
| Items Included | Mounting Hardware, Quick Install Guide |
| UPC | 085267866958 |
| MPN | RTH221B1021/A |
| Compatible Product | Universal |
| Battery Size | AAA |
| Smart Home Compatibility | Universal |
| Control Style | Digital |
| Display Size | 2 in (5.1 cm) |
| Manufacturer | Honeywell International |
| Features | Digital Display |
| Thermostat Programmable Days | 1- Week |
| Color | White |
| Material | Plastic |
| Brand | Honeywell |
| Mounting | Wall-Mounted |
| Thermostat Shape | Rectangular |
| Sensor Technology | Temperature |
| Voltage Type | Low Voltage |
| Type | Programmable Thermostat |
| Number of Periods per Programmable Day | 4 |
| Model | Honeywell RTH221B |
| System Switching | Auto |
| Cool Stages | 1 |
| Smart Home Protocol | Thread |
| Programmability | Programmable |
Check the listing for details. NEW Honeywell RTH221B Programmable Home Thermostat Open Box. Color: White, Condition: Open box. Listed at 49.85 USD. NEW Honeywell RTH221B Programmable Home Thermostat open box.
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