Honeywell TH4210D1005

PRO 5-2 Programmable Thermostat

Item # BCI1545022   |   Model # TH4210D1005

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The Honeywell TH4210D1005 PRO 5-2 programmable thermostat is designed for 24 Vac conventional and heat pump systems. It features adaptive intelligent recovery which ensures that the programmed temperature is reached by the programmed time.

Simple Operation
The Honeywell TH4210D1005 programmable thermostat includes easy-to-use slide switches for simple operation.

Digital Display
The TH4210D1005 digital thermostat displays the current and set temperature at the same time.

Pull-Out Instructions
Easily understood instructions are built right in to this thermostat.

Weekday/Weekend Programming
This thermostat features 5-2 day programming, which means the weekdays and weekends can have unique heating and cooling schedules.


  • Comes with built-in compressor protection
  • The program schedule can be overridden at any time with one touch temp control function
  • Weekday and weekend schedules can be separately programmed

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