I have 2 dometic penguin a/c units on my motorhome. i took it to a service center 3 years ago and i had the upgrade comfort control thermostat 5 button replaced along with the new power control board replaced on the front a/c. now my rear air does not work. i found out that the new 5 button thermostat does not work with the old board in it. what i am wondering is if i can just replace the control board with the new style or do i have to get the whole kit that includes the board, wiring, and thermostat? thanks
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