Bathroom fan replacement
Michael49
Member Posts: 140
Just replaced our Fantastic fan our our 400 with the Maxxair fan and love it.
While I was up there doing the work I was looking at the BATHROOM vent and man that thing looks terrible!
Take a look at the photos - what are those rusted rivet looking things on the edges of the mount - they aren't screws - what are they? I resealed the edges and the rusted out pieces with Lap sealant today but it make me wonder, maybe I should just replace the bathroom vent fan also. I could use the fantastic fan I just removed or buy a new one. Has anyone ever replaced their bathroom vent fan? Is it the same size opening?
Attached are a few photos of the bathroom fan.....
While I was up there doing the work I was looking at the BATHROOM vent and man that thing looks terrible!
Take a look at the photos - what are those rusted rivet looking things on the edges of the mount - they aren't screws - what are they? I resealed the edges and the rusted out pieces with Lap sealant today but it make me wonder, maybe I should just replace the bathroom vent fan also. I could use the fantastic fan I just removed or buy a new one. Has anyone ever replaced their bathroom vent fan? Is it the same size opening?
Attached are a few photos of the bathroom fan.....

Former T@B 400 owner, now thinking about a 320. 2019 Honda Ridgeline.
Comments
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We have a couple of small warranty items to take care of here soon and I'm going to have Austin and his crew at the factory install a MaxxAir 7500K in place of the Fantastic Fan, then move the Fantastic Fan (and the MaxxAir cover I had installed when we took delivery) to the bathroom. The bathroom fan works ok, but it's noisy and seems cheap, so it's going away altogether.Jim Kuzman, Girard OH - 2019 T@B 400 - TV 2019 Volkswagen Atlas SE 4Motion w/ Factory Tow Package
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Yep, ours looks the same. Our fan quit working. I cleaned the contacts but still didn't work. Might be the switch. There is a fair amount of rust around the fan motor, switch, and anything else metal.T@B 400 | F150 | Washington State
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Yep, the bathroom fan doesn't look to be the best quality.Haloo said:Yep, ours looks the same. Our fan quit working. I cleaned the contacts but still didn't work. Might be the switch. There is a fair amount of rust around the fan motor, switch, and anything else metal.Former T@B 400 owner, now thinking about a 320. 2019 Honda Ridgeline. -
They are supposed to be a Fantastic Fan brand, just a different model designed for shower areas. It does look like stainless fasteners would have been a better choice to eliminate the rust issues.
cheers2018 TaB400 Custom Boondock, Jeep Gladiator truck, Northern California Coast. -
I have always been amazed at how often a manufacturer or installer will use ferrous metal fasteners and other parts instead of stainless steel to save a dollar so the end user has to deal with it down the road.
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@Michael49 did you decide to move the fantastic fan into the bathroom spot? I'm considering upgrading the main fan to something with a remote and moving the existing main fan to the bathroom. It looks like it would be a easy swap out into the same type of frame.2018 T@B 400
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It does look pretty simple, the sad part is that I’m amazed how bad our Fantastic fan looks - looks like it went through a war for some reason!!! So I haven’t decided what to do yet.SeaLaVie said:@Michael49 did you decide to move the fantastic fan into the bathroom spot? I'm considering upgrading the main fan to something with a remote and moving the existing main fan to the bathroom. It looks like it would be a easy swap out into the same type of frame.
Loving the Maxxair so far though and what I’m most happy about is despite the insane rain we’ve had lately in New England - no leaks!!!
Former T@B 400 owner, now thinking about a 320. 2019 Honda Ridgeline. -
Hi all! A newbie question—why is everyone switching out their fantastic fans for maxxair? Is there something I should know? Also it doesn’t seem there is a fan or window that opens in the 320s? Is it possible to add a functional window in the bathroom or a small fan?
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The Fantastic Fan has limited speeds, is noisy and takes a lot of amps for those who boondock. The 320 bathroom window is stationary. There is not an option for a window that opens. Maybe you can email repair@nucamprv.com and inquire if there is a window available that opens.
Sharon / 2017 T@B CSS / 2015 Toyota Sienna Minivan / Westlake, Ohio -
You can alternatively upgrade the existing (main) fan with this kit. It also takes care of excessive noise and high current drain. Also can automatically close its lid when it starts raining.
Roger and Sue Hill | 2020 T@B400 Boondock (Cryst@bel) | 2022 Land Rover Defender 110 - P400 | San Juan Island, WA -
That kit is for the main fan, not the bathroom fan, entirely a different design.I did install this kit on the main cabin fan, it is fantastic, you get remote control of the fan, thermostat auto control, and several very quiet slow fan speeds.
Cheere2018 TaB400 Custom Boondock, Jeep Gladiator truck, Northern California Coast. -
I had a Fan-Tastic model 7350 installed in the main cabin.
Very pleased with temp control with auto shutoff and rain shutoff.2019 TAB 400 Boondock -
Not to hijack this thread, but it seems a good place to ask:
Can the nucamp installed bathroom fan be wired to exhaust instead of blowing down into the bathroom? I was wondering if just reversing the power wires would reverse the fan direction...2025 T@B 400 Boondock Black Canyon with 400Ah Battle Born and Victron Multiplus 3000
2025 Honda Ridgeline Black Edition with Redarc Trailer Brake Controller -
@ChrisFix, have you tried adjusting with the position of the Louvers? In one position (I call it summer), the air does blow down, but the other two positions (maybe only one...I haven’t used the shower for a few months) seems to deflect the air so it’s not coming down straight at you. I only use the fan after the shower as I’m wiping the walls, curtain and floor down as it does certainly help with that and to disperse the humidity.Verna, Columbus, IN
2021 T@B 320S Boondock “The T@B”
Towed by a white 2019 Ford F-150 4x4 Supercab, 3.5L V6 Ecoboost “The Truck” -
No need, the fan works both ways, there is a control knob on the fan, just turn it, to get exhaust only. This closes the side vents, and the fan will exhaonly. That said, when not in use, to get added ventilation in the toilet/shower, I leave the vent in dual mode (side vents open), and close them to get exhaust only when showering or ...2018 TaB400 Custom Boondock, Jeep Gladiator truck, Northern California Coast.
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+2 for the multi speed remote controlled Fantastic fan in the place of the 3 speed Fantastic fan. The highest speed seems to be as loud as the 1st speed on the 3-speed FF.@WyoReddog the owners are replacing the 3 speed fan with a 10+ speed fan with remote. Quieter and more energy efficient when boondocking.Verna, Columbus, IN
2021 T@B 320S Boondock “The T@B”
Towed by a white 2019 Ford F-150 4x4 Supercab, 3.5L V6 Ecoboost “The Truck” -
@Verna and @Denny16
Thank you...this was user error on my part.
I didn't notice the Open/Close arrows words & arrows embossed into the vent
and thought I was using it in the Open mode, but in fact it was in the Closed mode.
When you switch from open to closed, what I saw lifting up inside the fan housing were the shutters closing against the side vents to close the vent - and I misinterpreted the lifting shutter as opening the vent...not closing it.
And with those side vents closed, the fan is blowing up into the housing and being redirected back down into the bathroom...
I get it now and it makes a lot more sense than I was giving it!!
Total newbie mistake...
2025 T@B 400 Boondock Black Canyon with 400Ah Battle Born and Victron Multiplus 3000
2025 Honda Ridgeline Black Edition with Redarc Trailer Brake Controller -
@Denny16. So im confused. You are talking about the bathroom fan right? In the close position you are saying the fan exhausts? With the vents closed, where can the air go? Mine on my 2019 has two side vents outside and the knob just seems to either pull in the flaps covering the external side vents. In open position it leaves them on covered.
(Edited for photo size.)
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@Tundra57
You're correct in how it works.
With the vent in the Open position, the flaps that cover the side vents on the roof cover are down (as in your photo) and the fan is pushing air up and out of the bath through the vents in the cover.
With the vent in the Closed position, the flaps push up and close the vents in the cover. When in the Closed position, the fan pushes air up into the fan housing, and with nowhere to escape, recirculates downward mainly through the openings in the fan housing that are hidden underneath the flaps in your picture.
It creates the illusion of pulling air into the bath, but is just recirculating it.
2025 T@B 400 Boondock Black Canyon with 400Ah Battle Born and Victron Multiplus 3000
2025 Honda Ridgeline Black Edition with Redarc Trailer Brake Controller -
Ah got it.
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OK, seems like it was pulling fresh air in, at least that what my dealer thought.
Thanks for the update.
cheers2018 TaB400 Custom Boondock, Jeep Gladiator truck, Northern California Coast. -
Does anyone know the model number for the fan in the photos here? Mine keeps breaking (those two plastic posts on either side break on rough roads, been fixing it with guerilla glue).Also, anyone do a fan replacement yourselves? Run into any problems? Seems like if I can just remove the caulk on the outside and take out all the screws I should be able to remove and replace the fan, but would be good to have some confirmation that this works fine before proceeding.Thanks, Lee
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So, has anyone tried just dropping in a different model fantastic fan into the bathroom? It appears to have a very similar "frame" so I'm wondering if there is a model fan (maybe even the same upgrade as the main cabin) that is also a simple drop in swap? @Denny16 surely you have researched this?
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We replaced our bathroom fan with the same 13 speed fan that we upgraded our cabin to. Replacement was quite straightforward, hole was the right size. Our one remote now controls both fans.
Roger and Sue Hill | 2020 T@B400 Boondock (Cryst@bel) | 2022 Land Rover Defender 110 - P400 | San Juan Island, WA -
@rh5555 that's amazing news! did you have to source a cover for the new fan? seems like the drop in kit doesn't come with the cover right?
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We had our fan change out with a warranty replacement provided by Nucamp, the fan was the same size as the old one that was replaced.



2021 T@B Boondock 400. 2021 Toyota SR5 V6 -
We bought a whole new fan (including cover) cheap on Amazon because it was missing its remote control. Tossed all parts of old fan.
Roger and Sue Hill | 2020 T@B400 Boondock (Cryst@bel) | 2022 Land Rover Defender 110 - P400 | San Juan Island, WA -
Brilliant thanks!
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@rh5555 Would you be willing to share the fan brand n model? I'm very interested in comparing the fan you used with the Maxxaire 7500k.2022 T@b 400bd
2022 F-150
Gratitude -
It was a Fantastic Fan model 7350
Roger and Sue Hill | 2020 T@B400 Boondock (Cryst@bel) | 2022 Land Rover Defender 110 - P400 | San Juan Island, WA
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