Honeywell RTH221B1000 Basic Programmable Thermostat
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- Easy-to-Use -- Basic Operation Keeps Programming Easy
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The Honeywell RTH221B1000 programmable thermostat features one program that runs for the entire week (4 periods per day).
The RTH221B1000 digital thermostat can be programmed to save up to 33% on annual heating and cooling costs.
This programmable thermostat features basic operation that keeps programming easy.
Built-In Compressor Protection
This thermostat helps prevent damage to the compressor of your air conditioning system because it forces the compressor to wait 5 minutes before restarting.
Most settings on the RTH221B1000 are stored in non-volatile (permanent) memory. Only the clock must be set if the thermostat was without batteries.
- Model: RTH221B1000
- Product Type: Basic Programmable Thermostat
- Product Dimensions: L: 6.50" x W: 2.50" x H: 9.00"
- Product Weight: 0.90 lbs.
- Product Color: White
- Application: Ideal for controlling heating and cooling systems
- Warranty: 1 year limited warranty
- Heating/Cooling System Type: Electric Heat & Cooling
- Voltage Type: Low Voltage
- Programmable: Yes
- Control Type: Push Button
- Digital Display: Yes
- Backlit Digital Display: Yes
- Temperature Displayed: Current & Setpoint
- Cooling Only: No
- Heating Only: No
- Program Type: 7 Day
- Operating Humidity Range: 90 % RH
- Mounting: Vertical
- Power Method: Battery
- Fan Switch Positions: On-Auto
- System Switch Positions: Cool-Off-Heat
- Cooling Temperature Range (F): 99 ° F
- Heating Temperature Range (F): 90
- Cooling Temperature Range (C): 37 ° C
- Heating Temperature Range (C): 32 ° C
- Accuracy: +/- 1 ° F
- Wireless: No
- Can be programmed to save up to 33% on annual heating and cooling costs
- Displays the ambient and setpoint temperature for your convenience and comfort
- Features basic operation that keeps programming easy
- Features one program that runs for the entire week (4 periods per day)
- Works with heating and cooling systems but does not work with heat pump systems or electric baseboard heat
- Features a sleek, one-piece design that complements your home