Honeywell RTH221B1039 1 Week Thermostat by Honeywell 012302054537 aluminum and other metallic surfaces

aluminum and other metallic surfaces

except for viscosity at -40 degree centigrade (-40 degree Fahrenheit)

It is small enough to fit in a desk drawer or a briefcase

Most have long tapered ends for a progressive affect and ride comfort

Heat resistant to 500-degree F/260-degree C

Honeywell RTH221B1039 1 Week Thermostat by Honeywell 012302054537 aluminum and other metallic surfacesBrand Honeywell Model RTH221B One program runs for the entire week (4 periods per day) Easy to use, basic operation makes programming easy Precise 1 degree Fahrenheit temperature control Easy to install 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