Arrives before Christmas 
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The rain sensor on this thermostat-controlled roof vent ensures that the dome closes and the variable-speed, reversible, 12V fan shuts off when rain or snow hits. Powered lift eliminates hand cranking.
Features:
Specs:
This roof vent has a built-in 12V fan that uses a thermostat to help maintain an even temperature inside your RV, camper, or enclosed trailer. You can also control the dome and fan manually with a built-in hand knob or with controls on the vent housing. A rain sensor is included as well to signal the dome to close and the fan to shut off when it gets wet.
Air out your RV after cooking or just draw in some fresh air while you sleep. This variable-speed ceiling fan operates in 2 modes: manual and automatic. The fan activates when you move the fan blade rocker switch to the in or the out position, which designates the direction of airflow.
When using the automatic mode, you can preset the fan to maintain a desired temperature inside your RV. The thermostat dial is color coded, with dark blue representing the coolest setting and dark red representing the warmest setting. The fan's internal thermostat will sense the actual room temperature, and the fan will run until the preset temperature is achieved. When the temperature rises above the preset temperature, the fan will automatically kick on again. So when you go out, you don't have to waste energy by leaving the vent running at full blast just to ensure that your RV is cool when you return. And because the fan will activate anytime that the preset temperature is reached, you can set up the system to ensure that your pets remain comfortable while you're out.
To control the fan manually, turn the speed knob on the vent housing. There are 3 speeds: low, medium, and high. There is also an off position.
This vent has a powered lift arm for the dome, so you don't have to manually crank it open or closed. The dome automatically opens when you turn on the fan. You can also use the small rocker switch on the vent housing to open and close the dome when the fan is not running. And a hand knob is built in so that you can operate the dome in the event of a power failure.
A moisture sensor ensures that the dome will close when rain or snow hits. So you can leave the vent running or preset it to run at a certain temperature, even if the forecast calls for rain. When the sensor gets wet, it signals the dome to close. With the dome closed, the fan blades will stop running. When the sensor dries, the dome will re-open and the fan blades will resume operation. To keep the sensor from activating in rain, snow, or humid and dewy conditions, simply add a vent cover (sold separately) to block moisture.
This vent requires a 14-1/4" x 14-1/4" opening in your trailer's roof and ceiling. To replace an old vent, install this vent into the existing opening. If your roof does not already have a vent, you will need to mark and cut an opening between roof joists to install this unit. And the 2-wire design makes it easy to have your vent hooked up and ready for use.
California residents: click here
When I unboxed the fan there was a tear in the screen. There is no other visible damage to the fan.
The box also appears to be ok. I have the screen from the very similar fan that I will be replacing which fits this one. Therefore I will be using that.
I had called and spoke to Natalie to report this problem.
Timothy
6/6/2025
Update to my review on 52125: After further communications with etrailer representatives I was provided a replacement screen which arrived in a timely manner and was at no cost to me. Installation of the Fantastic Fan was straightforward and the fan worked perfectly. I would now rate my experience 5 stars.
until a combination of broken fuse holder and additional electrical glitches occurred, was fantastic. With revision (not complete switch out even--fantastic again. Now onto getting the mail rebate info and process done.
David
7/25/2025
Working without an issue, product just as described.
Working Great. Highly recommend Dometic FanTastic Roof Vent w/ 12V Fan and Thermostat - Powered Lift - 14-1/4" x 14-1/4". Dometic makes a Great product!
Everything needed to do replacement of Fantastic roof vent, one year later still holding and and not leaking. The only problem is the other vent looks old and tired compared to the new one!
Gwendolyn Y.
5/8/2025
Hopefully the other one will hold on strong even if it does look a little old compared to your new one, Stephen!
This powered roof vent is great! I mounted it above the cab in my 1991 high-top conversion van to provide cool air when camping in it. Fan is more powerful than I expected! I rarely need to switch it to high speed. It's quiet enough for sleeping just a few feet away. Installation was easy and dimensions were accurate. Controls are easily accessible. Auto temp control is really nice when outdoor temps are dropping during the night so we don't get too cold. Rain sensor triggers to close cover after only a few drops of rain! Reversible fan is nice.
Absolute waste. It seems like when the company was sold they changed the programming and instead of fixing it or giving customers an option (read: a simple switch!) they made it so the rain sensor just shuts it permanently absolutely destroying any usefulness of the rain sensor. Customer service doesn't even understand the problem (e.g. getting up at 3 am because of a 2 minute rain at midnight to cycle the fan power) or alternative uses (e.g. using the fan to prevent overheating for longer periods- an all day hike). It now just closes permanently a the first drop of rain instead of reopening when the sensor is dry.
I literally ripped this brand new fan out two weeks after install and a year later it's still sitting on my workbench because I refuse to hobble someone else with this absolute piece of garbage before I get a chance to override the problem with an FRM01 12v relay computer. I haven't bothered because 1. I have a better fan (the old version I was lucky enough to find) 2. this one has a chimney which sits up 2" higher 3. the new motor is weak enough that even if nothing else was wrong it would still be a mediocre fan.
The old model has a horizontal front hinge and a black motor housing that extends into the lid. Beware a lot of images of the old model are still used in listings for the new model.
The (2)fan lid black plastic mounting bosses broke as if they had deteriored in the sun. This lower the lift arm to flop down and keep the lid from opening. Trying to figure a method to repair.
Jenny N.
6/19/2023
Your best bet on repairing it would be to replace the lid. We have them available as part # FVK1020-19.
Replacement for the original circa 1995. Can't beat that! Good price, fast delivery.
William
6/21/2024
The fan is still working great. Happy!
Wife is very happy with it.
etrailer has always been a reliable supplier, fast shipping and excellent customer service. They are as close to an [online vendor] as possible, for logistics and for the products they sell.
The fan works perfect
Collis
11/18/2023
A year later - works perfect - it was the right choice. Easy install, reliable roof vent fan.
THE FAN WORKS FINE, BUT THE POWER SWITCH TO RAISE AND LOWER THE VENT LID QUIT WORKING AFTER THE THIRD USE. I REALLY LIKE BEING ABLE TO REVERSE THE FAN AND DRAW COOLER AIR IN.
Jenny N.
8/4/2022
You mentioned that the power switch for raising and lowering the lid was not working. I reached out to the manufacturer who advised that it could be the switch or a power issue. If you are interested, you can take it to a service center to have it looked at since it is still under warranty. It does have a limited lifetime warranty.
This is an excellent product. Our unit is a 2007 Coachhouse Platinum 231SD which had two fantastic fan factory vents. The fans units were aging and one was leaking so I ordered two upgraded units.
The installation was quite easy actually. I removed the old units, cleaned the openings of old putty and Dicor, installed new sealing putty tape, used the old screws to attach the new units and applied new Dicor self leveling sealer. Just have to make sure you get the old sealer and putty cleaned off before installing the new units. I then reconnected the wiring for each unit and installed the new surrounds.
The old units were a lower profile than the new units owing likely to the larger reversible fan blades requiring more headroom which I do not see as a problem. I also had to trim the new surrounds so they would fit flush with the ceiling.
What made it so much easier was the product itself being the exact fit and finish for my application.
All items were delivered in good condition in two separate deliveries over a two day period. There was only one tracking number for two deliveries, so when they first delivery was made, I couldn't track the remaining order...making me believe the remainder of my order was not shipped. This was very frustrating. Two or more separate boxes coming on one order should have their own tracking number, letting the customer know they're still on transit.
Great fan so far, altho I did just install it. Installation was easy as it could be.
The operating instructions are far from complete. There's a specific way to operate these functions but it's not mentioned anywhere in the instructions. Main power switch needs to be on for anything to work (obvs), as well as the fan speed needs to be on at least one for the top to open, the fan won't turn on until the top is open. So power on, fan speed on, then vent can open, then fan turns on. It's a little confusing. I had to watch a video in order to get this unit working. Initially I thought it was hooked up wrong, then thought the unit was bad. Could of saved 30 mins of head aches if the instructions spoke of this.
Installed on my 2003 5th wheel. The best part is the rain sensor to close it!! Shudda bought this years ago. Great product and as always, here on eTrailer, MY "Go To" store. I always seem to shop this site, simply the best for products and SERVICE.
Works great. Closes when it gets rain drops. Keeps air moving through the RV. I installed it and had to work on the "infrastructure" of the roof of our MH before I installed it - but everything is fine after a year.
This was a perfect replacement for our old fan (model no longer available). etrailer suggested this replacement and we’re so pleased with it. Install was easy after we figured out our wiring (found past posts in etrailer site for help). Thanks so much!!
The quality looks very good ! I just received the package and have not installed the fan yet.
I do like buttons on the fan instead of on a remote control. More direct.
The price was great and the service was fantastic !!.
I know this fan will fit perfectly as upgrade for replacement on my old fan.
Perfect fit, just what I needed, always fast shipping and great customer service from etrailer.com
Excellent product and easy to install. The Product did arrive with some slight damage but etrailer send me a new part right away. Highly recommend dealing with etrailer.
I love my fan. Perfect fit. Nice features. Prompt delivery. Thanks
Package arrived damaged, but fan appears to be acceptable. etrailer provided a good price and shipping. I have purchased from them many times and have always been pleased!
I love the fans. I bought two and they help keep my rv's temperature at a reasonable temp. I would rather have fresh air than use the air conditioner.
etrailer is my "go to" place for rv accessories, everything I've received from them has been delivered on time, and the products are quality. They pack the merchandise very well, nothing to date has arrived damaged. I am very satisfied with the products and service I receive from them.
I received my fan and installed it the same day. They kept me informed when it was shipping and even called to verify my shipping address since it was different from my billing address.
Good people to work with and pricing was very competitive
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Gwendolyn Y.
5/21/2025
Dang, that is not what we want you to have to go through. I'll make sure that we get this resolved for you, Timothy.