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Honeywell RTH221B Series Thermostat with Digital Programming

Article #05225143 Item #000406093 Model #RTH221B1052/E1
36 . 99 Each
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Warranty 1-year limited
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Description

Honeywell RTH221B Series thermostat with 1-week programming is flexible to customize room temperatures according to your lifestyle. You can select a unique program for the entire week or up to 4 different periods per day. The digital display features Fahrenheit or Celsius temperature and 12- or 24-hour clock options. The temperature set point is retained in memory in the event of a power outage. Other features include permanent and temporary override capability and soft-touch keys. The thermostat is easy to install and comes with a 1-year limited warranty.
  • Set one program for the entire week with four program periods per day including wake, leave, arrive and sleep
  • Precise temperature control of +/- 0.5 degree Celsius
  • Easy-to-read digital display with an intuitive interface for one-touch access to setpoint temperature
  • Easy to install yourself and basic operation keeps programming simple
  • 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
  • Built-in battery change reminders

Ecological Attributes

This programmable thermostat is less sensitive to temperature differences for improved comfort and allows up to 10% in energy savings. It also provides better energy control of energy consumption.

Product specifications

Voltage(Volts)
24
App Compatibility
No
Auto System Change from Heat to Cool
No
Backlit Display
No
Batteries Included
No
Bluetooth Compatibility
No
Built-In Z-Wave
No
Compatible with Central Air Conditioning
Yes
Compatible with Heat Pump (No Aux.)
Yes
Compatible with Heat Pump (No EM)
Yes
Compatible with Heat Pump (With Aux.)
No
Compatible with Heat Pump (With EM)
No
Compatible with Hot Water
Yes
Compatible with Steam or Gravity
Yes
Compatible with Warm Air Furnace
Yes
Cooling Only
Yes
Daylight Savings Time Ready
No
Depth(cm)
2.54
Depth(in)
1
Depth(mm)
25.4
Early-Start Comfort Function
No
File/Certification Number
N/A
Filter Monitor
No
Heating Only
Yes
Height(cm)
8.89
Height(in)
3.5
Height(mm)
88.9
High/Low Desired Temperature Limits
Yes
Hold Temperature Button
Yes
Hub Required
No
Multi-Stage Cooling
No
Multi-Stage Heating
No
Optional Battery-Free Operation
Yes
Program Periods per Day
4
Program Type
7-day
Remote Control Included
No
Safety Listing
CSA safety listing
Series Name
Honeywell Home 1 Week Programmable Thermostat
Shape
Rectangle
Single-Stage Cooling
Yes
Single-Stage Heating
Yes
Temperature Displayed
Current and setpoint/desired temperature
Temporary Vacation Override
Yes
Touch Screen Programming
No
Use with Electric Baseboard 120V-240V
No
Use with Floor/Wall Furnace 24V or 750mV
Yes
Use with Pellet Stove for mV Thermostats
Yes
Use with Volt Gas Fireplace 24V or 750mV
Yes
Voice Controlled
No
Warranty
1-year limited
Wi-Fi Compatibility
No
Width(cm)
12.065
Width(in)
4.75
Width(mm)
120.65
Works with Amazon Alexa
No
Works with SmartThings
No
Works with Android
No
Works with Apple HomeKit
No
Works with iOS
No
Works with the Google Assistant
No
Wiring Type
2-wire
Display Type
Digital
Type
Thermostat

Is this the same mod as my RTH22181052

Asked by: GORo

Does it work with with baseboard heater.

Asked by: Rickinator54
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Honeywell RTH221B Series Thermostat with Digital Programming is rated 4.0 out of 5 by 1.
Rated 4 out of 5 by from Great for the price Works as intended. Schedule is easy to program, but note it is for 7 days and not 5 and 2. I use it for my wood stove and am able to program it so the air damper will close after I go to bed to prevent cold air from coming in. I can also override the schedule if i want the fire to burn all night. Only draw back is the screen is not back lit.
Date published: 2020-12-09
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