Honeywell RTH221B Basic 1 Week Programmable Thermostat

• Simply Programming - one program for the entire week, up to 4 periods per day.
• Precise temperature control of +/-1 Degree Fahrenheit for consistent comfort.
• Easy to read digital display - Fahrenheit or Celsius temperature, 12 or 24 hour clock.
• Compatible with heating, cooling and heat pump without auxiliary heat.
• Does not work with electric baseboard heat (120-240V) multistage HVAC systems.

The Honeywell RTH221B Basic 1 Week Programmable Thermostat is a simplified and easy to use 1-week programmable thermostat. This one-piece thermostat has one hassle-free program for every day of the week. The added bonus of choosing between 4 preset options such as wake, leave, return and sleep add versatility to this programmable thermostat. The Honeywell Basic 1 Week Programmable Thermostat 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.

• Product Dimensions (WxDxH): 3.38 x 1.11 x 4.75 in.

• Heating Only: Yes
• Cooling Only: Yes
• Compatible with Warm Air Furnace: Yes
• Compatible with Central Air Conditioning: Yes
• Compatible with Hot Water: Yes
• Compatible with 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
• Compatible with Heat Pump (No Aux.): Yes
• Compatible with Heat Pump (No EM): No
• Compatible with Heat Pump (With Aux.): No
• Compatible with Heat Pump (With EM): No

• Honeywell RTH221B Thermostat Operating Manual