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Control Board Passport 400-IO - Works with I/O Control
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
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Passport Control Board 400-IO - ASY-400-X02
The 400-IO 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 402-IO Control Display and the EasyTouch OEM Control Display.
Benefits of the 400-IO Replacement Control Board.
- Marine Air Systems® Passport® I/O Control Display
- Completely new designed and manufactured board.
- Replaces boards with original serial numbers starting with 372.
- Fully function and footprint compatible with original design
- Can also be used with our ASY-402 display to completely replace an older Passport II™ control board (Display keypad must be replaced when replacing the control board.
Control Board Legacy Features
- Replacement Marine Air Systems® Passport® I/O Control Board
- New Control Board Redesign
- Backward-Compatible to Legacy Marine Air Systems Passport I/O Control Board
- Footprint-Compatible to Legacy Marine Air Systems Passport I/O Control Board
- Newly Manufactured
Control Board Layout
Frequently Asked Questions
Can these boards be used for new installations?
No. These boards replace existing installations only.
Which boards do they replace?
- The 400-IO replaces the Passport IO control board.
Is the board a direct replacement?
Yes. It looks slightly different from the original board but the connections and mountings are compatible.
Are these boards dual voltage?
Yes. They operate from 85 to 240 volts AC.