Manufacturer Part No - RTH221B / RTH221B1021 / RTH221B1021/A / RTH221B1021/E1
The Honeywell Programmable Thermostat is a one week programmable thermostat with four periods per day which is easy to operate and has simple programming. The thermostat consists of a digital display which allows you to read with more clarity. It allows you to select up to four options such as wake, leave, return and sleep to customize your weekly schedule.
The thermostat features accurate temperature control of +/-1-Degree F for consistent comfort. It features sleek one piece design and vertical positioning for easy upgrade from standard manual thermostats.
Programmable Thermostat Features:
The Honeywell Programmable Thermostat is a one week programmable thermostat with four periods per day which is easy to operate and has simple programming. The thermostat consists of a digital display which allows you to read with more clarity. It allows you to select up to four options such as wake, leave, return and sleep to customize your weekly schedule.
The thermostat features accurate temperature control of +/-1-Degree F for consistent comfort. It features sleek one piece design and vertical positioning for easy upgrade from standard manual thermostats.
Programmable Thermostat Features:
- Thermostat
- 1 Week Programmable
- Digital Display
- Precise Temperature Control
- Sleek One-piece Design
- Easy to Use
- DIY Installation
- Dimensions : 3-3/8" x 4-3/4" x 1-1/8"
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General Specifications:
Key Features
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Programming:
- Simple programming - one easy program for all days of the week (4 periods - wake, leave, return, sleep). -
Precision Temperature Control:
- Within +/-1 degree F for maximum comfort.
Applications
- Heating, Cooling & Heat Pump w/o Auxiliary Heat
Compatibility
Compatibility Chart:
- Heating Only: Yes
- Cooling Only: Yes
- Warm Air Furnace: Yes
- Central Air Conditioning: Yes
- Hot Water: Yes
- Steam or Gravity: Yes
- Use with Floor/Wall Furnace 24V or 750mV: Yes
- Use with Volt Gas Fireplace 24V or 750mV: Yes
- Use with Pellet Stove for mV Thermostats: No
- Use with Electric Baseboard 120V-240V: No
- Single-Stage Heating: Yes
- Single-Stage Cooling: Yes
- Multi-Stage Heating: No
- Multi-Stage Cooling: No
- Heat Pump (No Aux.): Yes
- Heat Pump (No EM): No
- Heat Pump (With Aux.): No
- Heat Pump (With EM): No