Thermostat Controls & Cables

This Micro-Air 402-IO Compact control display is a replacement for the Marine Air Systems® Passport I/O Compact Control Display which is also referred to as the AH-Passport I/O. This display measures 3.19 inches x 2.5 inches.

Replacement Marine Air Systems® Passport® I/O Control Display. This black display is often confused for a passport II, ECU or Cabin Mate display. Please remove your original display and look on the back for a nine-digit bar coded serial number. Displays with serial numbers starting with 377 or 402 can be replaced by this 402-IO control display. If your current display lacks a serial number or has a number that does not match either 402, or 377, then this display will not simply plug in and work. If your display looks similar and has no serial number, you probably have an ECU, Cabin Mate, or Passport II display.

This display replaces original Cruisair displays used in SMX control systems. All displays have the original four pin display cable jack on the back of the display. This is an all new replacement module that includes the buttons and electronics needed to communicate with the control board.

This DX version(ASY-423-X00) is used in directly connected compressor systems and features button labels printed directly on the buttons. Faceplate is not included nor available.

The alternative TW version(ASY-423-X01) is used in tempered or chilled water systems. These systems use a water loop containing glycol or fresh water to supply the air handler controlled by this display. Button functions are printed on an overlay that covers the display and not on the buttons. The overlay feature can be used to distinguish this version from the DX version. The overlay and faceplate and not available nor included.

This display is a direct replacement for the Cruisair SMXir display used in SMX II systems. This display includes the keypad with integrated electronics and ¾ door cover. This part is compatible with Cruisair SMX II systems including A-288, A-281 and A-282 control boards.

Replacement Marine Air Systems® Passport® I/O Control Display. This white display is often confused for a passport II, ECU or Cabin Mate display. Please remove your original display and look on the back for a nine-digit bar coded serial number. Displays with serial numbers starting with 377 or 402 can be replaced by this 402-IO control display. If your current display lacks a serial number or has a number that does not match either 402, or 377, then this display will not simply plug in and work. If your display looks similar and has no serial number, you probably have an ECU, Cabin Mate, or Passport II display.

This display replaces original Cruisair displays used in SMX control systems. All displays have the original four pin display cable jack on the back of the display. This is an all new replacement module that includes the buttons and electronics needed to communicate with the control board.

This TW version(ASY-423-X01) is used in tempered or chilled water systems. These systems use a water loop containing glycol or fresh water to supply the air handler controlled by this display. Button functions are printed on an overlay that covers the display and not on the buttons. The overlay feature can be used to distinguish this version from the DX version. The overlay and faceplate and not available nor included.

The alternative DX version(ASY-423-X00) is used in directly connected compressor systems and features button labels printed directly on the buttons. Faceplate is not included nor available.

EasyTouch OEM control display for use with Dometic Passport I/O and U Board (Unity) control boards.