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
*Denotes a finish or option that has been discontinued
Honeywell TH4210D1005 Product Specifications
Supports Heat Pump
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Honeywell TH4210D1005 Reviews
Rated 5 out of
A must buy for thr new modern homeHello I don;t usually write reviews,but this is a must have item for those of you out there who are trying to go green and do a little to save on the power bill every month.Just set this digital thermastat to when, and what time a day that you want the temperature in your home to change and at that precise time your home will be right on that temperature. When your setting hits your set time and you can set it to changs first thing in the morning and to turn down when you leave and set it at 4.00pm when you get home,and set again to go back down at bedtime and set to be nice and warm when you wake up.And even better you have no more cold or hot spots in your home anymore. Plus your saving energy ,and it's energy effecient.One of my better buys,Plus updates my home it alluminates for viewing in the dark. And is real modern looking in your home.And those of you that have emergency heat on your heating system this is exactly the Thermostat that you need.Last and best of all is, that you set the time and days of the week as at your set preferences only one time,And you don't have to keep going back and setting all of the time.your set for the winter..
Date published: 2010-11-13
Rated 4 out of
Date published: 2010-11-27
how do we change the batteries? Would like info on how to program
A. You pull the unit off of the wall and change them by opening the back.
I have a TH4210D1005 will this work on a standard ac / heat system ( does not have heatpump) ?
A. The Honeywell TH4210D1005 will work just fine for you.
on the thermostat it has an "em. heat". What does "em. heat" stand for and when do i put it on?
The Honeywell TH4210d1005 has an Emergency Heat function; which is used when the compressor is locked out.
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