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Replacement Printed Circuit Board for MaxxAir MaxxFan Plus Roof Vents
MAXXAIR

Replacement Printed Circuit Board for MaxxAir MaxxFan Plus Roof Vents

Part Number: MA10A04751KS
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$104.07
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Replaces the printed circuit board for your MaxxAir MaxxFan Plus roof vent. Works with models 4751KS, 4761KS, and 4951KS. 1-800-940-8924 to order MAXXAIR accessories and parts part number MA10A04751KS or order online at etrailer.com. Free expert support on all MAXXAIR products. Great prices and Fastest Shipping for Replacement Printed Circuit Board for MaxxAir MaxxFan Plus Roof Vents. Accessories and Parts reviews from real customers.
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  • Reviews (155)
  • Q & A (0)
  • Videos (1)
  • Photos

MAXXAIR Accessories and Parts - MA10A04751KS

  • RV Vents and Fans
  • Roof Vent
  • Circuit Board
  • MAXXAIR
  • MaxxFan Plus

Replaces the printed circuit board for your MaxxAir MaxxFan Plus roof vent. Works with models 4751KS, 4761KS, and 4951KS.


Features:

  • Replaces the printed circuit board for your MaxxAir MaxxFan Plus roof vent
  • Works with models 4751KS, 4761KS, and 4951KS


10C04751KS Replacement Printed Circuit Board for MaxxAir MaxxFan Plus RV Roof Vents

Replaces 10A04751KS and 10B04751KS





Video of Replacement Printed Circuit Board for MaxxAir MaxxFan Plus Roof Vents

Videos are provided as a guide only. Refer to manufacturer installation instructions and specs for complete information.




Video Transcript for Review of Maxxair RV Vents and Fans - MA10A04751KS

Today, we're going to take a look at the replacement printed circuit board for the Maxxair MAXXFAN Plus Roof Vents. Now, this part will replace the printed circuit board on your Maxxair MAXXFAN Plus Roof Vent. This is designed to work with the models 4751KS, 4761KS, and the 4951KS. But, that should do it for the review of on the replacement printed circuit board for the Maxxair MAXXFAN Plus Roof Vents.

Customer Satisfaction Score:


Customer Reviews

Replacement Printed Circuit Board for MaxxAir MaxxFan Plus Roof Vents - MA10A04751KS

Average Customer Rating:  4.7 out of 5 stars   (155 Customer Reviews)

Replaces the printed circuit board for your MaxxAir MaxxFan Plus roof vent. Works with models 4751KS, 4761KS, and 4951KS.

by:

Get a screwdriver, an extra set of hands, watch a video, pull the fuse, and take a photo of the wires before you pull them apart.

I was hesitant to order because the new board has different components than the old, but it works great, and all functions were preserved. Photo shows new board with tag and part number next to the old board (from a maxxfan 4751ks) for comparison.

And it’s your trailer. You can break it if you want to and fix it twice, and buy a few new tools for less than the shop will charge. You got this!



by:

A perfect replacement PCB for my MaxxAir fan board that quit working. Shipping was faster than originally expected. Replacement was simple and my fan is working like new again.

Gordon profile picture

Gordon

6/10/2024

It’s been a year since purchasing a replacement PC board for my Maxxair fan and wanted to provide an update. It’s still working great. We’ve used it now for two trips this new camping season and it’s still working great. I’m glad E-trailer carried these and was able to just the replace the circuit board and not the whole fan.



by:

This product didn't work. etrailer refused to refund and instead told me to contact the manufacturer who told me to contact the seller.

Waste of money and time. I just ended making my own set up with a momentary switch, a dimmer, and a directional switch.



by:

Great customer service too!

Joel profile picture

Joel

2/7/2025

Its working great. I did spray the circuit board with silicone modified conformation spray to give the boards components and waterproof coating. I believe the original board got damp from constant rainy weather and it short circuited. The spray aint cheap but you tube DIY types really recommended doing this.

RobinH profile picture
Etrailer Expert

Robin H.

2/8/2025

@Joel sealing the circuit board is a great idea for this and other parts, I'll have to keep that in mind. Thanks for sharing!


by:

exact replacement and very easy to inst all.

Paul T. profile picture

Paul T.

9/11/2024

great, no problems with this product after a year



by:

It was the exact part I needed to fix my MaxxFan Roof Vent. Thanks, again etrailer.



by:

Reasonable cost and easy installation. My only concern is the fact that the part was shipped in bubble wrap in a small envelope. I wouldn't advise this shipping method in the future.



by:

Great customer service. The part was easily installed and the vent is now working as intended.



by:

Exact fit, and fixed our broken MaxxAir.



by:

Nice quality. I ordered this item to have one on hand in case of a failure. So far I haven't needed to install it but I'm sure it will work well.



by:

The items came a day earlier than expected and packaged well.
Installed the circuit board and the fan works again. It was an easy install also.



by:

Great customer service. Quick shipping and had parts I had issues finding on other suppliers websites.



by:

Works like a charm

Hoggie profile picture

Hoggie

8/10/2024

Great



by:

Working and full time Rv living in the north I get a lot of condensation and it fries my MaxxFan boards. These boards are amazing replacements. Easy installation. I do spray them with electrical sealer before install to keep them from getting zapped again.



by:

Not sure why this unit be packaged in an envelope as it is delicate product package look beat up tossed around as us mail delivered.



by:

Still working great in the camper for the MaxxFan Control Board.



by:

Easy to change out from broken one. I believe it was 5 days from order to home.



by:

I was very impressed with Service quality, speed of the shipping and handling. This greatly reduce my downtime for a very important bathroom vent fan that stopped working.



by:

Fit perfectly and worked correctly when installed. Good product.



by:

This part has been in place for one year and continues to work as it should!



by:

Had a bad relay on the old circuit board. Replaced the board with this new version and it works great



by:

The team was very knowledgeable and helpful. And the turn around time to ship the order was outstanding!



by:

Easy replacement, works as expected.



by:

The part worked



by:

Although it is slightly different in appearance than the original, it is direct replacement for a 4 speed, with power lift, and remote control MaxxAir Deluxe


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Show More Reviews

See what our Experts say about this MAXXAIR Accessories and Parts

  • Replacement Parts For a MaxxAir MaxxFan Deluxe 8951K
    We do not carry an exact replacement unit for the MaxxAir Deluxe 8951K. We have the Smoke # MA00-07500K or White # MA00-07000K which would be the closest replacement. These fans use the same lift and fan motors but the control panels and circuit boards are going to be different so you would not be able to swap all the parts. Here are the replacement parts for your fan if you want to try changing out certain components. Also be sure to first check the power going to the fan as if the voltage...
    view full answer...
  • Replacement Circuit Board for MaxxAir Model 4751KSV05 Powered Vent Fan
    I reached out to my contact at MaxxAir and she said that the correct printed circuit board for your MaxxAir model 4751KSV05 powered vent fan is the part # MA10A04751KS.
    view full answer...
  • MaxxFan Model 4751KS Will Not Shut Off
    I took a look at your order and saw you had purchased the Replacement Key Wall Control part # MA00A03550K but the issue you are having with your MaxxFan Model 4751KS is the circuit board, the Replacement Circuit Board part # MA10A04751KS so this what you need to replace.
    view full answer...
  • Replacement Circuit Board For A MaxxAir MaxxFan RV Roof Vent
    Hi James, The INC115342 part number you gave me unfortunately doesn't come back to anything. Do you know what the model number of your vent is? If not the boards will typically have a tiny white sticker on them with some info that I could use to look for a replacement. If you want to send me some pictures of the current circuit board I'd be happy to take a look.
    view full answer...
  • MaxxFan 8951k Replacement Circuit Board
    We do have a replacement circuit board 10-04751K with the part # MA10A04751KS which fits the 8951k.
    view full answer...
  • MaxxFan 4751ks Will Start For A Few Seconds Then Fan Stops And Lid Closes
    Hello Glen, thanks for reaching out. If the circuit board did not fix the issue, it could be the rain sensor that is causing the problem. Something triggering the sensor will cause the lid to close so that would explain it. The best way to test this is to simply disconnect the rain sensor and see if the vent starts to work normally. If disconnecting the rain sensor allows things to work, you will need to replace it with part # MA34FR.
    view full answer...
  • Replacement MaxxAir Circuit Board for 4751K
    Based on what you mentioned the correct replacement circuit board would be the part # MA10A04751KS.
    view full answer...
  • Replacement Operator Mechanism for MaxxAir MaxxFan 4751KS
    The correct Replacement Operator Mechanism for your model 4751KS MaxxAir MaxxFan is part # MA10-20281K-1AF. If your fan lid is unable to open even manually, then this is the part you need to replace. The other part you referenced, # MA10A04751KS would replace the printed circuit board on your MaxxFan instead. If you aren't sure which part needs to be replaced on your MaxxFan, let me know what issues you're having with it and I'll be happy to point you in the right direction.
    view full answer...
    Image 1 for
  • Troubleshooting A MaxxAir MaxxFan That Keeps Turning Off
    Your MaxxFan Plus Roof Vent w/ 12V Fan and Thermostat - Manual Lift - 10 Speed - White # MA00-04000K could be cutting off after 10 seconds for the following reasons: 1. Insufficient or fluctuating power. Your fan could be receiving less than 12v of power. Check the power wire at the unit using a multimeter like # PT89ZR. If you aren't receiving 12v then you could have a voltage drop off due to the length of the wire running from the battery to the fan and would just need to increase the...
    view full answer...
  • Does MaxxAir Replacement RV Roof Vent Circuit Board Come with Coating to Protect Against Humidity
    Hey Alan, this is a great question that we have reached out to MaxxAir about in the past and they do have a coating on the circuit board of the # MA10A04751KS to protect it from humidity.
    view full answer...
  • Troubleshooting A MaxxAir MaxxFan That Opens But Doesn't Close
    If you already replaced the operator # MA10-20281K-1AF for your MaxxAir MaxxFan and it's working correctly to open but not close then the next part to replace would be the circuit board. Circuit boards are model specific so you will want to ensure you have the correct replacement. The Replacement Printed Circuit Board for MaxxAir Powered Lift RV Roof Vents w/ Reversible Fan # MA10A21275K is compatible with the following models: MaxxFan Plus: 00-04500K, 00-04700K, 00-04800K, and 00-04900K...
    view full answer...
  • Correct Replacement Circuit Board for a MaxxAir 4951KSC Roof Vent
    All the "C" stands for in the 4951-KSC part number has to do with the "Clear" aspect of your fan. With that being said, for a replacement circuit board you can use the Replacement Printed Circuit Board for MaxxAir MaxxFan Plus Roof Vents # MA10A04751KS. This replacement will also work with the 4751KS & 4761KS models as well.
    view full answer...
    Image 1 for
  • Troubleshooting MaxxAir 4751KS Vent Lid Not Opening And Fan Running All The Time.
    Based on the issue you are having, Yes. A bad circuit board can cause all kinds of weird issues like your fan running all the time and the vent lid not opening. Since you have the MaxxAir 4751KS you will need the replacement circuit board # MA10A04751KS. I included a video of the # MA10A04751KS for you to take a look at.
    view full answer...
  • Replacement for MaxxFan 10A04751KSZ Circuit Board on MaxxFan Deluxe 8951K
    Hi T.J.; thank you for providing that information and the picture. The correct replacement circuit board for your MaxxFan is the # MA10A04751KS which is the same as the 10C04751KS you referenced.
    view full answer...
  • Maxxfan Wont Stop Running or Wont Start Working
    Sorry you're having this issue. We have come across this from time to time and you will need the Replacement Printed Circuit Board for MaxxAir MaxxFan Plus Roof Vents part # MA10A04751KS to fix your issue. It is a very easy installation and will get your MaxxAir fan back up and running properly. The connectors will match what you currently have and you'll need two butt connectors I recommend the Deka Heat Shrink Butt Connector - 16-14 Gauge part # DW05744-5 to make the connections to...
    view full answer...
  • MaxxAir MaxxFan Plus - Buttons On Fan Work But Remote Does Not. Is There A Fix?
    Well Vinnie it sure sounds like you have a bad remote since the fan is working fine with the manual controls. You have replaced the battery in the remote yes? Other than that you can try holding the remote up close to the fan to see if you get any response. Beyond that there really is no fix for this other than replacing the remote. The correct replacement remote for the MaxxAir MaxxFan Plus is as follows: - Replacement Handheld Remote for MaxxAir Roof Vent Intake/Exhaust Fans # MA00A01150K
    view full answer...
  • MaxxFan 2016 Keystone Montana Model 3710FL Won't Stop Running
    If your MaxxFan with the rain sensor, like part # MA00-04500K, starts operating automatically and the controller or the controls on the unit aren't working then that sounds like a bad circuit board or that the built-in safety feature for too much (or not enough) voltage was activated and the circuit board locked up. Since you already removed power from the vent try connecting it back to power. If it works properly then it was just locked up and needed to be disconnected from power to unlock...
    view full answer...
  • Correct Replacement Circuit Board For A MaxxFan 10A04751KZ
    Hello Rick. The Replacement Printed Circuit Board # MA10A04751KS will be correct for your MaxxFan 10A04751KZ. We have confirmed this with the folks at MaxxFan, as well as with several of our own customer who have successfully used this as a replacement for the 10A04751KZ model fan.
    view full answer...
  • Replacement Circuit Board For A MaxxAir MaxxFan In A 2021 Grand Design Solitude 3540 5th Wheel
    Since multiple MaxxAir Fans have the same features that you listed it's honestly best to first determine the exact model number you have before purchasing anything and end up not having it be compatible. I've listed below all the available circuit boards for the each model, if you have a tag on the vent listing the model number then we can identify the correct replacement. If not, you'll need to pull the circuit board and find the sticker on it that lists the model number. Once I have either...
    view full answer...
    Image 1 for
  • Troubleshooting MaxxFan 4951KS that Lid Wont Lift With Wall Switch
    Most likely the circuit board on your MaxxAir MaxxFan 4951KS is malfunctioning and can be replaced with the Replacement Printed Circuit Board for MaxxAir MaxxFan Plus Roof Vents # MA10A04751KS. If it seems hard to open manually like the operator may be having issues then a replacement operator part # MA10-20281K-1AF would be what you'd need.
    view full answer...
  • Replacement Circuit Board for MaxxAir Fan 4951KSC
    For a replacement circuit board you can use the Replacement Printed Circuit Board for MaxxAir MaxxFan Plus Roof Vents # MA10A04751KS. We have confirmed with MaxxAir that this is the correct for what you have.
    view full answer...
  • Replacement Fan Circuit Board For A MaxxAir Fan With A 10C21275KEZ Circuit Board
    The 10C21275KEZ didn't come back to anything for me which means it's most likely already been replaced with a new version but I can't confirm which with just the part number. We typically just replace the circuit boards based on the model of the unit. I've listed the various models and their replacements below: The Replacement Printed Circuit Board for MaxxAir Powered Lift RV Roof Vents w/ Reversible Fan # MA10A21275K is compatible with the following models: MaxxFan Plus: 00-04500K, 00-04700K,...
    view full answer...
  • Troubleshooting A MaxxFan Plus 4751KS That Won't Shut Off
    Hi Albert, If the vent isn't turning off when pressing the off button on the keypad then then either the keypad # MA94YR or circuit board # MA10A04751KS are malfunctioning and would need to be replaced. I'd start with the keypad first since it's the lower cost item to replace. In the meantime you can either remove the garnish and disconnect the wiring or pull the fuse to prevent the fan from draining the battery.
    view full answer...
  • I Have To Assist My Maxxfan 4751KS When Opening And Closing - What Can I Do?
    Hello Janice, it sounds like you are having problems with the lift motor on your Maxxfan 4751KS. It is not unheard of for the motors to go bad, and based on the issues you are describing, I believe your motor needs to be replaced. The correct replacement motor for your fan is the Replacement Lift Motor # MA10-20270
    view full answer...


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Info for this part was:

Employee Mike L
Expert Research:
Mike L
Employee Jameson C
Expert Research:
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Employee Jeff D
Installed by:
Jeff D
Employee Wilson B
Updated by:
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Employee Manda E
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