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Looking For Circuit Board For MaxxAir vent Fan In A 2021 Entegra Cornerstone  

Updated 07/24/2024 | Published 07/23/2024

Question:

I am looking for this same circuit board for a maxxaire fan what is networked with RV-C network for my 2021 Entegra Cornerstone. The fans are controlled with the firefly system on a network. Thanks Dale Photo attached, I believe the updated board is now black.

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circuit board
circuit board
(click to enlarge)

Expert Reply:

Hello Dale. The circuit board in your picture looks an awful lot like the Replacement Printed Circuit Board for MaxxAir Powered Lift RV Roof Vents w/ Exhaust Only Fan # MA39FR. There are several other similar looking circuit boards though, and generally, we need to get the model number from your vent in order to confirm fitment. There is no way to look up your RV to know what model of fan it was built with, so please inspect the vent to see if you can find a sticker with a part number or model number.

For example, the Replacement Printed Circuit Board # MA39FR will work with the MaxxFan Plus 4-Speed Roof Vent # MA00-04751KSX. If this is not exactly what you have, let me know the model number of your vent and I am happy to make a recommendation.

expert reply by:
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Jesse M
Dale H. profile picture

Dale H.

7/24/2024

I believe this is the fan I have. It is controlled through an RV-C network with firefly controls. 00-8900N - FAN,MAXX DELUXE ELECTRIC OPENING THERMOSTAT INTAKE/EXHAUST SMOKE LID WITHOUT REMOTE 008900N RVC

Jesse M. profile picture
Etrailer Expert

Jesse M.

7/24/2024

@DaleH Great. I can confirm that the Replacement Printed Circuit Board for MaxxAir Powered Lift RV Roof Vents w/ Reversible Fan # MA10A21275K will be correct for you.
Dale profile picture

Dale

7/24/2024

@JesseM Thanks, Does this circuit board have the thermostat integrated also?
Jesse M. profile picture
Etrailer Expert

Jesse M.

7/24/2024

@Dale Yes, it does. There is a separate temperature sensor near the fan but the thermostat itself is part of the circuit board.
See All (5) Replies to Dale H. ∨

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