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This thermostat cannot be used on heat pumps with backup heat, Central air conditioner, radiant or line voltage systems. Retains programmed memory in event of power outage. This thermostat is compatible with the following systems: gas, hot water system with or without pump, multistage systems, oil or electric furnace, Millivolt system, Central heating and cooling system, Heat pump without auxiliary/backup heat.

This pre-owned product has been professionally inspected, tested and cleaned by Amazon-qualified suppliers. Battery change reminder. Products with batteries will exceed 80% capacity relative to new.






1. Honeywell Home
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Honeywell Home RTH2300B 5-2 Day Programmable Thermostat
#adHoneywell Home #ad - Easy to install yourself and works with many heating/cooling systems, plus heat pumps without auxiliary heat. The display panel is backlit with an intuitive interface for one-touch access to setpoint temperature.This thermostat cannot be used on heat pumps with backup heat, Central air conditioner, radiant or line voltage systems. Retains programmed memory in event of power outage. This thermostat is compatible with the following systems: gas, hot water system with or without pump, multistage systems, oil or electric furnace, Millivolt system, Central heating and cooling system, Heat pump without auxiliary/backup heat.
More information #ad
Precise temperature control of +/- 1 degree Fahrenheit. Built-in battery change and filter change reminders. Separate programs for the weekdays and weekends with 4 program periods per day including wake, leave, arrive and sleep.Brand | Honeywell Home #ad |
Manufacturer | Honeywell Home #ad |
Height | 4.75 Inches |
Length | 3.5 Inches |
Weight | 0.25 Pounds |
Width | 1 Inches |
Part Number | RTH2300B1038 |
Model | RTH2300B1038 |
Warranty | 1 year limited warranty. |
More information #ad
2. Honeywell
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White Renewed, Honeywell Home RTH2300B1038 5-2 Day Programmable Thermostat
#adHoneywell #ad - For millivolt systems. Product may come in generic box. There will be no visible cosmetic imperfections when held at an arm’s length. Precise temperature control of +/- 1°F.This pre-owned product has been professionally inspected, tested and cleaned by Amazon-qualified suppliers. Battery change reminder. Products with batteries will exceed 80% capacity relative to new.
More information #ad
Backlit display for easy viewing. Retains memory in event of power outage. Accessories may not be original, but will be compatible and fully functional. For use with central gas, oil, or electric furnaces & AC. Separate programs for the weekdays and weekends with 4 program periods per day.Brand | Honeywell #ad |
Manufacturer | Honeywell #ad |
Part Number | RTH2300B1038 |
Model | RTH2300B1038 |
More information #ad
3. Honeywell Home
#ad
Honeywell Home RTH2300B1038 5-2 Day Programmable Thermostat, White Renewed
#adHoneywell Home #ad - Item package Quantity - 1. Item package dimension- 8. 1099999917278l x 6. 49999999337w x 2. 599999997348h inches. Product type - Hvac Control Thermostat. Item package weight - 065918216338 pounds.More information #ad
Brand | Honeywell Home #ad |
Manufacturer | Honeywell Home #ad |
Height | 4.75 Inches |
Length | 3.5 Inches |
Width | 1 Inches |
Part Number | RTH2300B1038-cr |
Warranty | 90 days limited warranty. |
More information #ad
4. Honeywell Home
#ad
Forced Air only, Honeywell Home 5-2 Day Programmable Thermostat / Not for Baseboard / Line Volt Heating Systems
#adHoneywell Home #ad - One program for weekdays, a separate program for weekends-4 periods per day. Accurate temperature control of +/-1-Degree F for consistent comfort. Backlit digital display.More information #ad
Display options: fahrenheit or Celsius temperature display, 12 or 24 hour clock. Compatible with heating, cooling and heat pumps without auxiliary heat, Does not work with electric baseboard heat 120-240V multistage HVAC systems.Brand | Honeywell Home #ad |
Manufacturer | Honeywell International #ad |
Height | 4.75 Inches |
Length | 3.75 Inches |
Weight | 0.5 Pounds |
Width | 1 Inches |
Part Number | RTH2300B1012/E1 |
Model | RTH2300B1012/E1 |
Warranty | Comes with manufacturer warranty. |
More information #ad
5. Honeywell Home
#ad
Honeywell RTH230B 5-2 Day Programmable Thermostat
#adHoneywell Home #ad - Programming for weekdays, plus weekends. Precise temperature control of +/-1-degreesF with auto change from heat to cool. Fahrenheit or celsius temperature display with 12 or 24 hour time display. Large display with soft-touch button interface.More information #ad
Brand | Honeywell Home #ad |
Manufacturer | Honeywell #ad |
Height | 9.25 Inches |
Length | 11 Inches |
Weight | 0.5 Pounds |
Width | 7.5 Inches |
Part Number | RTH230B1006A |
Model | RTH230B |
Warranty | 1 year product warranty. |
More information #ad
6. Honeywell
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White, Honeywell TH4110U2005/U T4 Pro Program Mable Thermostat
#adHoneywell #ad - Country of Origin: United States. Item package Weight: 13. 8 oz. Item package dimension: 6. 49999999337" l x 5. 099999994798" w x 2. 299999997654" h. Model number: th4110U2005/U.More information #ad
Brand | Honeywell #ad |
Manufacturer | Honeywell #ad |
Height | 2.3 Inches |
Length | 6.2 Inches |
Width | 5.2 Inches |
Part Number | TH4110U2005/U |
Model | TH4110U2005/U |
More information #ad
7. Honeywell Home
#ad
White, Honeywell Home RTH221B1039 RTH221B Programmable Thermostat
#adHoneywell Home #ad - Easy to use, basic operation makes programming easy. Precise +/- 1 degree Fahrenheit temperature control. One program runs for the entire week 4 periods per day. Easy to install.More information #ad
Brand | Honeywell Home #ad |
Manufacturer | Honeywell Home #ad |
Height | 3.5 Inches |
Length | 1 Inches |
Weight | 0.3 Pounds |
Width | 4.75 Inches |
Part Number | RTH221B |
Model | RTH221B1039 |
Warranty | 1 year limited. |
More information #ad
8. Honeywell
#ad
Honeywell TH2110DV1008 PRO 2000 Vertical Programmable Thermostat
#adHoneywell #ad - Package length :5. 334 cm. Package width :9. 398 cm. Made in United States. Package height :14. 732 cm.More information #ad
Brand | Honeywell #ad |
Manufacturer | APR Supply Co. #ad |
Height | 1.9 Inches |
Length | 5.7 Inches |
Weight | 0.5 Pounds |
Width | 3.5 Inches |
Part Number | TH2110DV1008 |
Model | TH2110DV1008 |
More information #ad