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  4. With 12V Fan
  5. Vent
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MaxxFan Dome Roof Vent w/ 12V Fan - 6" Diameter - Manual Lift - Black

MaxxFan Dome Roof Vent w/ 12V Fan - 6" Diameter - Manual Lift - Black

Item # MA00-03812B
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RV Vents and Fans MA00-03812B - Manual Lift - Maxxair
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Manual lift roof vent removes unwanted hot air and moisture from your RV's kitchen or bathroom. The fan circulates air like a ceiling fan when your vent is closed. Integrated rain shield lets you open your vent in any weather. Lowest Prices for the best rv vents and fans from Maxxair. MaxxFan Dome Roof Vent w/ 12V Fan - 6" Diameter - Manual Lift - Black part number MA00-03812B can be ordered online at etrailer.com or call 800-298-1624 for expert service.
  • All Info
  • Reviews (411)
  • Q & A (9)
  • Photos
  • Why etrailer?

Maxxair RV Vents and Fans - MA00-03812B

  • Roof Vent
  • With 12V Fan
  • Vent
  • Black
  • Manual Lift
  • Maxxair
  • 6 Inch Diameter

Manual lift roof vent removes unwanted hot air and moisture from your RV's kitchen or bathroom. The fan circulates air like a ceiling fan when your vent is closed. Integrated rain shield lets you open your vent in any weather.


Features:

  • Compact roof vent with fan controls ventilation and moisture in small areas inside your RV or camper
    • Perfect for kitchens, bathrooms, and showers
  • 12-Volt fan exhausts hot air and moisture out of your RV
    • Circulates air like a ceiling fan when vent is closed
  • Manual lift handle with push-button lets you open and close the lid with ease
  • Integrated rain shield prevents water and debris from entering your RV
    • Allows you to open the vent and operate the fan in any weather
    • Eliminates the need to install a separate cover
  • Bug screen keeps insects out and is easy to remove for cleaning or maintenance
  • Fan guard blocks water and debris from getting in when mounting on the side of your RV
    • Provides protection from accidental contact with fan blades
  • Polypropylene dome lid gives a seamless, low-profile appearance when closed
  • Mounting flange is constructed of UV-resistant ABS plastic
    • Smooth edges won't cut you during installation
  • Easy installation with included garnish, insulated electrical connectors, and hardware
    • Roof sealant sold separately
  • Black color


Specs:

  • Fits: roofs 1" to 6" thick
    • Opening size: 6-1/4" diameter
  • Overall dimensions: 9-1/16" diameter x 6" tall
    • Fan diameter: 6"
  • Vent height:
    • When closed: 2-15/16"
    • When open: 3-7/8"
  • Fan capacity: 200 CFM
  • Power draw: 2 amps
  • Voltage: 12V
  • Wiring configuration:
    • Black wire: power
    • White wire: ground
  • 1-Year limited warranty


Rain Shield


Rain Shield

The built-in rain shield surrounds the vent opening so that you can use it in rain or shine. The shield blocks rainwater and other debris from entering through the vent and damaging the interior of your RV or camper. It also eliminates the need to install a separate vent cover.


Fan Guard


Fan Guard

The fan guard protects your fan from water and debris when mounted on the side of your RV. The guard slides over your vent with the solid end facing up to block rainwater and allow run-off, while the slotted end faces down to allow ventilation. The fan guard also gives you peace of mind with small children around, as it provides the ultimate protection against accidental contact with fan blades.


Push-Button Handle


Push-Button Handle

The push-button handle lets you open and close the lid of your vent with ease - no hand-cranking needed. Simply push the button and push up to open the lid, or pull down to close the lid. Releasing the button automatically locks the lid in place. When the lid is closed, it provides a seamless, low-profile appearance.



00-03812B MaxxFan Dome Roof Vent w/ 12V Fan - 6" Diameter - Manual Lift - Black






Customer Reviews

MaxxFan Dome Roof Vent w/ 12V Fan - 6" Diameter - Manual Lift - Black - MA00-03812B

Average Customer Rating:  4.8 out of 5 stars   (411 Customer Reviews)

Manual lift roof vent removes unwanted hot air and moisture from your RV's kitchen or bathroom. The fan circulates air like a ceiling fan when your vent is closed. Integrated rain shield lets you open your vent in any weather.

- MA00-03812B
by:

Easy install. Simple design. Quiet, strong fan. Looks good inside and out.


Comments
One year later this little fan is going strong venting a 3x3’ bathroom. I leave it open with the fan off for air intake sometimes too. Keeps heavy rain out when open and parked. I close it when driving in rain just in case, but have not tested it’s rain shedding ability while driving.
Josh - 09/24/2021


- MA00-03812B
by: 04/19/2021

I run this fan with the solar for when the van is parked.



- MA00-03812B
by:

Compact size helps to circulate air and reduce heat in my minivan.



- MA00-03812B
by:

Perfect for my trailer finally good ventilation and easy to install wiring.



- MA00-03812B
by:

Good fan. Moves lots of air, but is a little loud.



- MA00-03812B
by:

great service even though it was back ordered. grear fan i bought two, just what i needed.



- MA00-03812B
by:

Awesome service, product, delivery time, communication. Great company, thanks etrailer.com!



- MA00-03812B
by:

Install very easy I am going to use it to exhaust hot air when camping and I have a portable air conditioner in the van the hose will go right out the vent size 2 purposes



- MA00-03812B
by:

great service. Fast delivery, nice to be able to order from someone other than Ama#&n!



- MA00-03812B
by:

Quality product at a fair price and ASAP delivery.



- MA00-03812B
by:

Good product for smaller spaces where 14x14 will not fit



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- MA00-05100K
by:

Review from a similar MaxxFan in RV Vents and Fans


I can't say enough about etrailer, my shipment was early, the price was very competitive and the product works great. I would caution anyone installing this fan to also use a DC to DC 12 volt converter to keep the volts to 12 volt and the amps to 5a. If you exceed this my a small amount the circuit board will burn out.....



- MA00A04401K
by:

Review from a similar MaxxFan in RV Vents and Fans


This vent fan helps a lot with keeping my 7x14 cargo trailer cool. Did a lot of modifications with my trailer especially insulating the ceiling and now with this fan makes it better and cooler. The lid is always open to let the heat out because i have the MaxxAir II cover so rain cant get in. Fan runs better with more or bigger airflow from the side vents when all doors are closed so i added the Redline II popup vent and it works great. Fan does not slow down. Im glad i got this and will be purchasing again when i get another trailer. Thanks ETrailer


Comments
Still Awesome
Leslie - 02/11/2021


- MA00-06200K
by:

Review from a similar MaxxFan in RV Vents and Fans


I purchased this maxxfan to replace the roof vent unit that came on our camper. This new vent fan is whisper quiet and best of all it can remain open while its raining. The install was easy and it fit the original hole perfectly. Used the TremPro 644 sealant also sold by etrailer and the install came out perfect. Thank You! etrailer for quick shipments and quality products.


Comments
The exhaust fan works as advertized and we are very happy with our purchase.
Donald S - 03/27/2021

28
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Show More Reviews

Ask the Experts about this Maxxair RV Vents and Fans

  • Can MaxxFan Dome Roof Vent be Mounted on Side Wall
    Yes, if you'd like you would be able to mount the MaxxFan Dome roof vent on its side. I have added a photo that a customer sent in showing the same vent (in black) mounted on its side; the vent is designed to fit roofs (or walls) that are between 1" and 6" thick so as long as you have that thickness, you can mount it on the side. This vent is available in either white or black: - White: MaxxFan Dome Roof Vent with 12V Fan # MA00-03812W - Black: MaxxFan Dome Roof Vent with 12V Fan...
    view full answer...
    Image 1 for
  • Johnson Vents Replacement Motors
    Unfortunately, we do not carry replacement parts for Johnson vents. The best we can do is replace the vent entirely. We have a small one here for your bathroom. It's the MaxxFan Dome Roof Vent w/ 12V Fan - 6" Diameter - Manual Lift - Black, part # MA00-03812B. It has a 12V fan and fits in an opening with a 6-1/4" diameter. I've linked to a video review of this one for you to look at.
    view full answer...
  • Replacement 6 Diameter MaxxFan Dome Roof Vent w/ 12V Fan
    The rain shield is not an item available separately from the MaxxFan Dome Roof Vent w/ 12V Fan - 6" Diameter - Manual Lift, # MA00-03812B. I suggest upgrading to the newer model with a 12VDC fan. The great thing about this unit is that it will draw the hot air and moisture out of your RV but even when the vent is closed, it can circulate the interior air like a ceiling fan.
    view full answer...
  • Can The MaxxFan Dome Roof Vent w/ 12V Fan Be Used In Winter
    Because of the dome cover design the MaxxFan Dome Roof Vent w/ 12V Fan Item # MA00-03812B can be used in any weather. The integrated rain shield prevents water and debris from entering your RV so you can run it rain or shine. The bug screen keeps insects out and is easy to remove for cleaning or maintenance and the manual lift handle with push-button lets you open and close the lid with ease.
    view full answer...
  • Could MaxxFan Dome Roof Vent Fan # MA00-03812B Fit 2018 Airstream Flying Cloud
    Yes the MaxxFan Dome Roof Vent w/ 12V Fan - 6" # MA00-03812B is close enough in size to what you have now in your Airstream that it would fit and work great.
    view full answer...
  • Can Two MaxxFan Dome Roof Vent Be Ran Off Single Switch
    Yes you could run two of the MaxxFan Dome Roof Vent w/ 12V Fan # MA00-03812B off of the same circuit to then be controlled with a single switch like # D16740.
    view full answer...
  • Can MaxxFan Deluxe Roof Vent Be Installed on Mini Van
    You could technically install the MaxxFan Deluxe Roof Vent # MA00-07500K in the roof of your mini van.That being said, the main issue is going to be the mini van's roof thickness. Since the roofs on vehicles are significantly thinner than those found on RVs or trailers, the vent assembly will stick down several inches from the roof/ceiling, limiting your overhead space. A much better option to add a roof vent to your mini van would be the MaxxFan Dome Roof Vent w/ 12V Fan # MA00-03812B....
    view full answer...
    Image 1 for
  • Recommended Replacement Bathroom and Kitchen Vent Fans for Sunnybrook Scout Trailer
    It looks like you've got a standard roof cutout that is roughly 14" x 14", so for the bathroom I recommend using the MaxxFan Roof Vent w/ 12V Fan - Manual Lift - 4 Speed # MA00A04401K which has 4 speed settings. If you're looking for something with a powered vent lift, the MaxxAir Mini Deluxe Trailer Roof Vent w/ 12V Fan - Powered - 1 Speed - Black # MA00-03851 is a great option. For the kitchen fan you could use one of those fans above, or you could use the smaller MaxxFan Dome Roof...
    view full answer...
  • Is There a 12 Volt Male End Wire For MaxxFan Dome MA00-03812B
    There is not a 12 volt wire with a male end or an electrical box with a flat cover available to wire in the MaxxFan Dome Roof Vent w/ 12V Fan - 6" Diameter - Manual Lift - Black # MA00-03812B. The only other parts we offer for the install of this vent is the Roof Vent Installation Kit - Sealant, Butyl Tape, Screws - White # 344270KITW.
    view full answer...

Do you have a question about this RV Vents and Fan?




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Info for this part was:

Employee Jameson C
Expert Research:
Jameson C
Employee Kathleen M
Installed by:
Kathleen M
Employee Amanda M
Edited by:
Amanda M
Employee Adam Y
Written by:
Adam Y

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