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jwsroy

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  1. I have to replace the front A/C on our 2005 Monaco Knight. The fan motor has gone south and after a three month back order I finally got a replacement but no one can get the old one out without tearing up the works. These are the original units on a coach used full time for all 16 years and corrosion and the elements have taken their toll. Both units are Duo Therm Penguin low profile heat pump and A/C units. I have a couple of questions. I seem to be able to find both the new Dometic Penguin II units as well as their higher profile Brisk Air units. My current system has the two A/Cs and the two furnaces controlled by a single thermostat. Two temp sensors, one in front one in back. Everything interconnected with telephone cord type wires. I had the five button CC thermostat, but recently replaced it with a Micro Air unit. I have been doing some internet research, which not surprisingly provides more questions than answers. The consensus seems to be that putting a new unit online with a legacy unit 16 years old requires replacement control board(s), new thermostat and, depending on who's providing the info, new wiring. If all that is true it almost makes sense to just proactively replace both units since it is probably just a matter of time before the back one gives out too. We are full timers and spend a lot of time in the desert, so the units get a work out. So my first question is whether anyone on the Forum has done a single replacement of an older Dometic and what issues they had to contend with. Also any thoughts regarding just doing both units at the same time. The second is whether anyone knows what the pros and cons of the two primary Dometic units, Penguin II and Brisk Air. Both are available with heat pumps, both available as 13.5 or 15 BTU. I think both can be used with a ducted air system like I have in our coach. I don't really care much about high or low profile, we don't go anywhere that few inches will make any difference. Appreciate any thoughts pertinent to my situation. Thanks Roy Holt 2005 Monaco Knight 2017 CMax Energi
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