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Looking for Replacement Circuit Board for MaxxAir Deluxe RV Roof Vent  

Updated 01/02/2026 | Published 12/29/2025

Question:

Looking for circuit board for Maxxair deluxe with remote, reversible Board has H133969A printed on it. No stickers Puan_4700-2018-3-22

0
Circuit Board
Circuit Board
(click to enlarge)

Expert Reply:

Hey Rick, the correct replacement circuit board for your MaxxAir Deluxe 7500K vent fan assembly is indeed the # MA10A21275K you looked at.

expert reply by:
0
Jameson C
Frank I. profile picture

Frank I.

1/2/2026

I installed this circuit board a couple years age. It was fairly easy to install and worked perfectly. I had no issues with it to date.

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Charles G. profile picture

Charles G.

1/2/2026

@FrankI A few years ago I also replaced the boards in both of my two MaxAir fans. Like you said, I found the process pretty straightforward. Every thing was fine until last summer when the two fans began to act up again. As long as I did not use the remotes and ran the fans manually on lower speeds all was fine. Kick up the speed or use a remote control and the fan would beep like before and shutdown. Very frustrating!
Reply
George profile picture

George

1/2/2026

Hey Rick The part that I received did fix my issue Works great! Thanks for your support.

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