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Replaces the printed circuit board for your MaxxAir MaxxFan Plus roof vent. Works with models 4751KS, 4761KS, and 4951KS.
Features:
Videos are provided as a guide only. Refer to manufacturer installation instructions and specs for complete information.
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:
90% were satisfied with this product
10% of customers were not satisfied
Ratings & Reviews
Received the parts as ordered. Received the parts 2 day ups as promised. Parts were installed in about 15 minutes all work great. A lot cheaper including 2 day shipping, than the local parts house.
Part was exactly as ordered. Quick shipping. Great company to order from :)
Still working great in the camper for the MaxxFan Control Board.
Great customer service. Quick shipping and had parts I had issues finding on other suppliers websites.
Part was a direct replacement and fixed my problem.
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.
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
looked different than the original circuit board, however all plugs fit and used existing wire nuts
and all worked. Yea!!
It was the exact part I needed to fix my MaxxFan Roof Vent. Thanks, again etrailer.
Circuit board arrived on time and my fan worked properly after installation. Etrailer customer service was great and verified part number I needed before I ordered it.
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.
exact replacement and very easy to inst all.
Paul T.
9/11/2024
great, no problems with this product after a year
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.
Great customer service. The part was easily installed and the vent is now working as intended.
Item order went smooth, fast shipping and item as described, Thanks
The board was an exact match of the OEM board. Replacement is fairly straightforward; however, there is a little maneuvering of the wiring in our set up due to the amount of the wiring that needed to be tucked in around the vent surround. So far, all is working as it should with the new boar in place. Gwen from the customer service team was very helpful in locating the correct replacement board and putting in motion my order!
Just what I needed to repair my RV’s MAAXFAN! It seems to be an updated version of the original circuit board, too, as their are fewer components on the board. Shipping was quicker than expected & installation was straightforward. This is only the second time I’ve ordered from etrailer I HIGHLY recommend them!
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.
Replacement Printed Circuit Board for MaxxAir MaxxFan Plus Roof Vents
Good service and parts came in on time Will be ordering more parts soon
For a moment I was a bit apprehensive, since the new circuit board was missing nearly half the components of the original one, but after hooking it up and testing it out I found that it worked perfectly and I am very satisfied with my purchase. This component replaced the original circuit board on my Maxx Air fan in my camper.
Almost plug and play. Needed to take the surround off the fan to access the house (trailer) wiring to properly connect the black and white wires, the rest were plug and play. I could have taken the easy way out and cut the old wires, trimmed the new black and white ones short, and used wire nuts to attach to the house wiring. Not as pretty as what I did, but it would work.
Great customer service too!
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.
Robin H.
2/8/2025
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
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.
The parts ordered did the trick and now my MaxAir fan is working again. I started to give 4 stars instead of 5 due to delivery issues. After I thought about it I can’t blame etrailer for the delay. I was informed they had received the order, the parts were in stock, when the shipping label was generated and so on. The delay sits squarely on USPS, looking at the tracking my parts sat in Atlanta for 4 days for no apparent reason. Anyway, l installed the parts and all is good. I have ordered several items from etrailer and have been very pleased with them.
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!
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Keystone S.
8/20/2021
No issues to report