Lowe's Home Improvement
Honeywell 1-Week/Everyday Programmable Thermostat

Honeywell 1-Week/Everyday Programmable Thermostat

Item #: 356277 |  Model #: RTHL221B1008

3.59 / 5 49 Reviews

1-Week/Everyday Programmable Thermostat

  • Easy-to-use, basic operation makes programming easy
  • Compatible with heating and cooling systems plus heat pumps; does not work with electric baseboard heat (120-240 volt)
  • Precise temperature control of +/- 1°F
  • 1 program for the entire week - 4 programmable periods per day
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
Program Type 1-week/Everyday
Program Periods per Day 4
Auto System Change from Heat to Cool No
Touch Screen Programming No
Backlit Display No
Temperature Displayed Current room temperature
High/Low Desired Temperature Limits No
Temporary Vacation Override No
Hold Temperature Button Yes
Early-Start Comfort Function No
Daylight Savings Time Ready No
Optional Battery-Free Operation No
Shape Rectangle
Height (Inches) 3.4
Width (Inches) 4.75
Depth (Inches) 1
UL Safety Listing No
CSA Safety Listing 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) Yes
Compatible with Heat Pump (With Aux.) No
Compatible with Heat Pump (With EM) No
Remote Control Included No
Built-In WiFi No
Filter Monitor No
Works with Iris No

Product Documentation

Download these helpful files for this product.

  • Installation Guide
  • Operating Guide
  • Use & Care Guide

pdf To view these documents, you need Adobe Acrobat Reader. You can download a free copy from the Adobe web site.

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