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400-IO Control Board

The 400-IO is a direct replacement, of the Passport IO ™ PCB, of Marine Air ™, Dometic ™. Compatible with the existing electrical box. All models of printed circuit boards which need a replacement for the 400-IO have a 9-digit bar code starting with 372 or 400. There are also printed circuit boards whose inscription can be PCB-372 or PCB -400 on the circuit board. Another reference are the connectors of the probes and communication wire located at the top of the printed circuit. They are always in the same order, 3x RJ 11 probes and an 8-pin RJ45 connector. The 400-IO only works with these models: VTD, VCD, CSD, SVCD, CMCD, AH (air handler) Passport IO.

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