A-281C Control Board ASY-555-X0A

1 review Write a Review
Calculated at Checkout

Replacement A-281C control board | 85 To 240 Volts

The A-281C Control Board is part of a legacy DX cabin control system sold in the mid-1990s. This is a newly manufactured, footprint-compatible replacement that operates identically. 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.

This board was used in Cruisair systems in the 90’s and early 2000’s. Original boards were 7” x 6.25” [17.8cm x 15.9cm]. It featured a four-pin display jack and three pin sensor jack that usually protruded out an opening in the enclosure. There was a distinctive line of spade connectors along one side of the board running the entire length.

Original boards were typically marked with the number 42403 on the board and typically had either A-281C or A285 marked as well. This board replaces Cruisair part number 42403 and Dometic part number 701800007 control boards. It also features the newer six pin display connector so it can be used to upgrade the display to the SMXIIir without using an adapter.

A-281 C Power Logic Control Board:

  • Completely new design.
  • Replaces similar DX SMX power/logic board discontinued by Cruisair®.
  • Original footprint and connection locations.
  • Legacy 4 conductor cable molex connector or 6 conductor RJ-12 display connector.
  • Multi-voltage 100-240VAC operation.
  • Retains all original software and hardware functions.
  • Dual voltage so you only need one trigger to replace either type.
  • Replacement OEM A/C Controls
  • Better Than The Originals
  • Identical Operation
  • Newly Manufactured
  • Footprint-Compatible


Cruisair SMXIIAB 
Cruisair SMXir
Cruisair SMXht
Cruisair  SMXQht
Cruisair Q3

1 Review

  • 5
    Logic Board for SMXIIab

    Posted by Ward Brasses on Sep 6th 2022

    Direct placement but upgraded to current components. For Cruisair SMXII systems with A-281C board. Working perfectly !!