Supply Chain: Minor delays are included on product pages. Many products which are known to be delayed are not shown on site. They change hourly. If you need a product that is missing, contact Customer Service.

Honeywell RTH221B 1000/A Rth221 Series Rth221b1021 Og Programmable Thermostat, 24 V, 40 to 99 Deg F Control, Digital Display, White

by Honeywell
List Price: $32.49
Our Price: $28.79
You save: $3.70 (11%)

Leaves our warehouse in 4 to 7 business days

Buy 3 or more for $26.90 each and save 17% +Free Shipping*


Product Description

Key Features

  • Simple programming, one program for entire week, plus four periods per day
  • Easy to use
  • Basic operation, DIY installation
  • Precise temperature control
  • Sleek one-piece design
  • This thermostat is compatible with heating/cooling systems

Thermostats basic - programmable heat/cooling Precise temperature control, sleek one-piece design. Simple Programming - One program runs for the entire week (4 periods). Energy Savings - Program to save up to 33 percent on annual heating and cooling costs (if used as directed, savings may vary depe nding on geographic region and usage)per day). Basic operation keeps programming easy. Works with heating and cooling systems. Does not work with heat pump systems or electric baseboard heat (120-240V).

Product Information

Additional Information

Part Number
RTH221B 1000/A
Related Departments
Plumbing HVACHeating, Cooling & VentingThermostatsProgrammable Thermostats
Shipping Weight
1.01 pounds
Domestic Shipping
Item can be shipped anywhere in the US including APO/FPO addresses and territories.
International Shipping
Item can be shipped anywhere in Canada including the territories.

Products Related To This Item

Customer Site Reviews

Click here for more reviews