Replacement Boards

The A-288D circuit board/controller fits  Dometic® / Cruisair® displays SMXht or SMXirb with technology SMXII, for SMX II controllers. Works with all SMX-II 6-pin standard control displays including the Micro-Air EasyTouch 589 (Dometic Smart Touch replacement). This control board is a redesigned, newly manufactured, footprint-compatible replacement that operates identically. Questions? Contact us.  New board. Part Number: ASY-509-X01 Fits Dometic / Cruisair Part Numbers:  722300288 / 42404

CTM U-Board Version 2.0 - Fits Dometic Control Unity Board used in direct-expansion, self-contained, and chiller systems. This board works with either 6 or 8-pin cables, and most Dometic, Cruisair, and Marine Air displays/controls.  New board.   CTM Part Number:  40002C Fits Dometic Part Numbers:   223100502 / 223100504

CTM U-Board - Fits Dometic Control U-Board used in direct-expansion, self-contained, and chiller systems. This 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

NEW Unity Control Board - Direct Replacement fits Dometic Control U-Board used in direct-expansion, self-contained, and chiller systems. This board works with either 6 or 8-pin cables, and most Dometic, Cruisair, and Marine Air displays/controls.  New board. Part Number: 501-09-BL Fits Dometic Part Numbers:   223100502 / 223100504

The Control Board works as a direct replacement for Dometic / Marine Air Circuit Board DDC 115 / 230V. The DDC Control Board is designed for use with single or multiple stage modular chiller assemblies to provide hot or cold water to air handlers while maintaining circulating water temperature at the desired setpoint.  New board. Micro-Air Part Number: ASY-405-XXX Fits Dometic / Marine Air Part Numbers: 290000201 /  4220002 

The A-282 Control Board is part of a legacy DX & TW cabin control system sold from the late 1990s through the present, and was recently discontinued by the OEM. It was also sold into a specialty coach/RV application.  This control board is a redesigned, newly manufactured, footprint-compatible replacement that operates identically.   Replaces similar DX (Direct Expansion/Self Contained/Split Units) and TW (Chiller/Tempered Water System) SMX Net Online power/logic boards discontinued by Cruisair® Part Number: ASY-426 YELLOW DX VERSION IN STOCK

The FX-1 Control Board is Micro-Air's long-standing cabin control standard for both self-contained & split DX systems and for CW air handlers. It supports the FX-1, FX-Maxx, and EasyTouch Control Displays. Part Number: ASY-370

The Micro-Air MAQ board is a newly-manufactured, footprint-compatible, and functionally-compatible replacement control board for the popular Q-Logic cabin control used in marine applications. Its design, components, and reliability are superior to the OEM original. The MAQ supports all of the same displays, uses the same 6-pin RJ-12 (straight through) display cable, and the uses the same 3kohm thermistors. Fits  Dometic / Cruisair QLogic board. New board. Part Number: ASY-510-X01

This board replaces Marine Air and Dometic Passport IO series power supplies.  It supports the Passport I/O, 402-IO Control Display, and the EasyTouch OEM Control Display.  New board. Replaces Dometic part number:  4220020  Part Number: ASY-400-X02 / 4220020

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.  New board. Part Number: ASY-555-X0A 

The Hydromatic I (1) is the classic legacy control system for multi-stage marine chillers. It has been sold for over 20 years and is installed on hundreds of boats around the world. Hydromatic I has stood the test of time due to its simple and robust operation. Part number : ASY-220

The Hydromatic II / 2 is a new and advanced control system for multi-stage marine chillers. It employs the latest technology with CAN Bus networking capabilities and offers advanced control with many sensor monitoring options. It can also be configured for use with a color touch screen panel PC, built into a custom control electrical panel with power distribution wiring, circuit breakers, and contactors Part Number:  ASY-250-X0G