Circuit Boards - Cruisair, Marine Air Systems.

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Cruisair Circuit Board A-288D -  used on  self contained and split condensing units from 1999 to present.
Cruisair SMX II A-288C and A-288D (A-288D board replaces the A-288C)
SMX II HV  - Old Part # 42404  - Replacement Dometic SMX II HV # 722300288
Dual-Purpose Replacement SMXII HV Power Logic Board. For Dometic & Cruisair displays.
The A-288D Circuit Board is part of a legacy DX & TW cabin control system sold from the late 1990s through the present.
 

Cruisair Circuit Board A-281C used on self contained and split condensing units.
CRUISAIR SMX II replacement Circuit Board A-281C  (Most units before year 1999) 
NOTE: Our New board will look similar with some changes and up-grades and the latest revisions.
Old Part # 42403  - Supersedes Dometic part# 701800007
Our A-281C board also replaces the A-285 board
The A-281C Control Board is part of a legacy DX cabin control system sold in the mid-1990s. The display  interface can either be the legacy, 4-conductor cable with a Molex  connector on each end, or it can be the newer 6-conductor RJ-12 cable  with straight-through wiring.  

Marine Air Circuit Board Passport I/O

For use with Elite or Passport I/O digital displays. 

Both Revisions of Marine Air Systems Passport I/O circuit boards are shown. 

Our replacement Circuit board works with All Revisions.

Display and other Jacks  are all on the one side.

Replacement for Part #4220020

Works Only with Models - VTD, VCD, CSD, SVCD, CMCD SCMCD  and AH Passport I/O.

NOTE: Our New board will  look similar with some changes and up-grades and the latest  revisions.

NEW U-Board, Replacement Control Board for DX/TW Dometic, Cruisair & Marine Air Systems.

Replacement U circuit board - dometic Unity Circuit Board DX/TW 223100502 / 223100504

Mfg Micro air

Jul 30, 2015 - All equipment built with this board will have the letter “U” in the description after the BTU,

(ex: STQ12U-410A, VTD12UK-410A) 

Cruisair A-282NC circuit board - SMX NET replacement circuit board Network Circuit Board Marked 42600-07

Cruisair part#701500101 Dual voltage 115/230V, Used on RN, FN, SN, SNR DX Units - only with the Phone Jack plugs for display and others, Used on Cruisair SMX Net units.

Circuit Board for Marine Air Pump Relay Panels 2-PRP and 2-6PRP Part # PCB-111  (They are Dual Voltage, for 110v or 230v) Markings on your board are PCB-111- this is the correct Replacement circuit board. works with Most common circuit boards Marine Air, Cruisair Cruisair A-281C, A-288D, DDC | Marine Air Passport I/O 

DDC Circuit Board PCB270- Marine Air and Cruisair old part# 4220002 Dual voltage 115/230V, Used on CHC Units, Used on Cruisair and Marine Air chiller units. MCW Chiller, MCGV, PCB270 replacement Circuit Boards for Dometic Cruisair Marine Air. 

Replacement for ALL boards marked PCB-370  For Marine Air, Mermaid Marine Air, Aqua Air, Marvair, 

Polar Bay and others. 

Replacement For Marvair MAB Self Contained units
and Polar Bay Self Contained units.