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Jerry_B's avatar
Jerry_B
Explorer
Jan 23, 2019

Upgrade Dometic Comfort Control Center thermostat

My Heating/cooling thermostat is a Dometic 5 button unit P/N 3109228.001 and unfortunately the led display is very small, dim and difficult to read. Dometic has a newer unit(UPC 713814206321)with a larger and brighter display. Anyone have any experience swapping these units out? Chris, perhaps you can comment on this. Thanks.

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  • shepfly's avatar
    shepfly
    Explorer
    Jan 27, 2019
    Try this first: Open up thermostat and you will find little rubbers on the LEDs, remove for a much brighter display. You can always put them back on. As I remember there are small screws to remove for access. Dave
  • dougrainer's avatar
    dougrainer
    Nomad
    Jan 25, 2019
    Jerry B wrote:
    dougrainer wrote:
    The 5 button and the 10 button are NOT interchangeable. Why not replace your 5 button? About the only thing the 10 button does different is it is programmable. The upper control boards are different. Doug
    Doug, if I simply replace my 5 button stat,would the display be better? This one has been difficult to read since new. Thanks.


    I have never had a problem reading a 5 button. 4 button model .yes after they were in use for years. Have you tried looking at the display straight on and not at an angle? Is the tstat at eye level? I would bet, this has a LED backlite out and has since new. Doug
  • Jerry_B's avatar
    Jerry_B
    Explorer
    Jan 25, 2019
    dougrainer wrote:
    The 5 button and the 10 button are NOT interchangeable. Why not replace your 5 button? About the only thing the 10 button does different is it is programmable. The upper control boards are different. Doug
    Doug, if I simply replace my 5 button stat,would the display be better? This one has been difficult to read since new. Thanks.
  • dougrainer's avatar
    dougrainer
    Nomad
    Jan 24, 2019
    STBRetired wrote:
    Doug,
    Is there any way to adjust the contrast on the LCD of the 5 button?


    Not that I am aware of. Doug
  • STBRetired's avatar
    STBRetired
    Explorer
    Jan 24, 2019
    Doug,
    Is there any way to adjust the contrast on the LCD of the 5 button?
  • dougrainer's avatar
    dougrainer
    Nomad
    Jan 24, 2019
    The 5 button and the 10 button are NOT interchangeable. Why not replace your 5 button? About the only thing the 10 button does different is it is programmable. The upper control boards are different. Doug

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