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CTM U-Board - Control Board for AC Unit - Fits OEM U Board 223100502 / 223100504

CTM U-Board - Fits Dometic U Board Control Board for Marine AC used in direct-expansion, self-contained, and chiller systems. The U Board works with either 6 or 8-pin cables, and most Dometic, Cruisair, and Marine Air displays / controls. New board.
 
CTM Part Number: 40001C
Fits Dometic Part Numbers: 223100502 / 223100504

Reference: 40001C / 223100502
In Stock: 1658
Reg Price: $329.99
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CTM Universal Control Board for Dometic, Cruisair, and Marine Air Units - 40001C - U Board Control Board for Marine AC Units


Dometic AC Control Board Replacement

The CTM U Board is a Direct Replacement for Dometic Control U Board Marine AC Control Board used in direct-expansion, self-contained, and chiller systems. The U board works with either 6 or 8 pin cables, and most Dometic, Cruisair, and Marine Air displays/controls. 

CTM U-Board Compatibility


Additional Compatible Displays:

Q-Logic:
Qht, Q3
SMXII: SMXII AB (Special Adapter needed to connect control to new Dometic U-board Click Here to View)

U-Board is not compatible for:
CAN Bus kits: 763100027 and 763100061

How To Identify Systems With The U-Board

A way to identify a unit with the new U-board, is by checking the unit's model description: The letter “U” after the BTU number means the unit contains the new U-control board. For example: DTU16 = 16,000 BTUs.

CTM U-Board Dimensions

control board for marine ac unit

How to Install the U-Board?


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Perfect replacement
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My control board shorted out from a water leak so ordered this replacement. It was very easy to swap out the old for the new. I simply shut off power to the system, then moved the wires one at a time from the old board to the new. That avoided any confusion or need to do special marking. Then the new board easily screwed into place. The whole job took 20 minutes.