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Old 04-07-2013, 09:09 AM   #1
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Duo Therm AC

I am going to replace my back ac unit on my 2004 seabreeze. I am wondering if I will be able to use my old thermastat and the old control box, and the old ceiling assembly or if one or all will have to be replaced.
Thanks, Ricky
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Old 04-07-2013, 09:14 AM   #2
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Is your Thermostat a 4-button or 5-button? Rook
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Old 04-07-2013, 09:31 AM   #3
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It is the old style with the slider underneath
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Old 04-07-2013, 09:50 AM   #4
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I'm not familiar with your Thermostat. Your new AC will come with a Control Board that is compatible with "Newer Thermostats". So......usually it is required to upgrade your old Thermostat to be compatible with the new Control Board......and also, a new Control Board for your front AC to make it compatible with the new Thermostat. Dometic Customer Service can tell you what will be required. Rook
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Old 04-07-2013, 02:48 PM   #5
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You most likely will need one of these shown in the following link. Shop around as the prices can vary. They also come in white.
Dometic 3314082.000 3312024.000 Duo Therm Comfort Control 2 CCC2 Black
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Old 04-07-2013, 02:55 PM   #6
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I just had to replace my forward air conditioner on my 2003 Newmar Kountry Star. The repair shop needed to replace the original control board on the the remaining older Dometic with a new one. I was able to use my 5 button thermostat with the new replacement Dometic. I assume you will need a control board and new thermostat for you new system to work. Call Dometic with your part numbers of your old AC and Thermostat and they will tell you what will be required. Good luck and let us know what was needed. Thanks
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Old 04-07-2013, 04:34 PM   #7
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If you have a 4 button CCC (Comfort Control Center - the thermostat) then you need the compatable control board for the new AC. If you have the old AC, rob the board from that.

If you have the updated CCC (5 button), then you need that compatable control board.

Note: the 4 button is obsolete, if you have that, probably time to upgrade. Which would require 2 control boards and thermostat.

Finally, the latest from Dometic is the CCC2 system. This requires a new thermostat and control boards also. If you have the 5 button, you could use this oportunity to upgrade. If the folks you are buying the new AC from are worth their salt, can explain all this to you.
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