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Old 04-03-2016, 07:34 PM   #1
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Furnace issue

I have a 2003 Lexington 235 class B. My furnace is set at 50 degrees. How do I keep it from turning on?
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Old 04-03-2016, 07:45 PM   #2
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Set the temperature to a few degrees below the current air temp.

Heat, down arrow to the needed temp.
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Old 04-03-2016, 07:48 PM   #3
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I have the thermostat at the lowest level...50 degrees. I have the LP off, but the furnace engaged and warmed the coach anyway.
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Old 04-03-2016, 07:55 PM   #4
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What is the ambient temperature inside the RV? If there is an off button to the thermostat did you try that?
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Old 04-03-2016, 07:57 PM   #5
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Quote:
Originally Posted by PhoneDude 8289 View Post
What is the ambient temperature inside the RV? If there is an off button to the thermostat did you try that?

I'm note sure. I'm in Texas and the current temp is 73.
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Old 04-03-2016, 08:11 PM   #6
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Heat strip?
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Old 04-03-2016, 09:55 PM   #7
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My thermostat has 3 settings: Off, Heat & A/C. When switched to off it stays off.
I have a propane heater that runs off of 12 volt. Some have an electric heater as part of the A/C unit. Do you know which was running? If the propane is turned off the fan can still run, but you will not get more than a minute of heat (propane in the lines) before it blows cold. Often the heater has it's own 12 volt fuse, you could pull that to stop it.
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Old 04-04-2016, 08:48 PM   #8
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Which thermostat do you have? If the 'stat is OFF nothing should run.

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