Question about Honeywell Programmable Thermostat Heater

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Honeywell heating system

I have a honeywell heating system with a thermostat model number of RTH2308.
We have tried everything. But the heater won't heat and the fan will not turn off. I have a call out to my home warranty company but until then I would just like to turn it off since it is only blowing cool air throughout my house. We think the heating element is not working.
Can you help me?

Linda

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  • 2 more comments 
  • yatesmeister Jan 05, 2009

    Where is the fuse located on my programmable Honeywell Thermostat T8011R ? and do you know what the E and F mean on the back ???

  • Anonymous Jan 12, 2009

    I have the same problem with my honeywell heating system thermostat model number RTH2308. The heater won't heat and the fan will not turn off. It is only blowing cool air.



    I called the Gas Company who stated that the burners are working properly but does not stay on. For some reason the burners shut off after approximately 2 minutes and the fan continues to run.

  • Anonymous Jan 27, 2009

    My thermostat is displaying correct information but the heat does not stay on.

  • csteele79 Jan 29, 2009

    my honeywell thermostat is not working, there is no heat coming in at all

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  • 96 Answers

Go to the main power box and find the either breaker or fuse that runs the system and turn it off

Posted on Dec 25, 2008

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All electric new home. Bought honeywell programable thermostat RTH2308. A/C works but heat will not turn on. This model # is not on their web site.


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on the back of the thermostat there should be a switch you need to select for gas or electric heat. or there are small micro switches that need to be set for your particular application.check your installation papers for details.
these thermostats usually cover a wide range of applications and need to be selected.

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I can speak for ades. Is the burners and everything on, or is it just the fan blowing? Please reply, as the solutions for each are much different.

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