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Old 12-01-2014, 04:51 PM   #1
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Exclamation Fan-Tastic Vent Model 7350 Upgrade Issue

My dealer ordered a Fan-Tastic Vent Model 7350 "upgrade kit" to be installed in my T21QBHW prior to its delivery this Wednesday. The "upgrade kit" is supposed to allow you to upgrade an existing OEM fan to a Model 7350. Well it doesn't fit.... The "upgrade kit", and a new complete replacement 7350 fan they tried, both have extended manual closing knobs that could impact the side panel when the roof is collapsed. They also tried a Model 3350 with the same results. It appears the OEM fan unit has a different design to allow it to clear the wall panel when in transport mode. I'll look closer when I pick up my T21QBHW on Wednesday.

Anyone considering upgrading their Fan-Tastic Vent needs to pay very close attention to the transport mode clearance in their trailer to avoid an expensive "gotcha". I'm just glad my dealer discovered "gotcha" this before I found it after a run down a bumpy road!
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Old 12-02-2014, 11:05 AM   #2
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Thanks for the heads up. As I am always looking for a reason to make a mod, what is the motivation for wanting a different fan?
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Old 12-02-2014, 02:29 PM   #3
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Quote:
Originally Posted by Pooneil View Post
As I am always looking for a reason to make a mod, what is the motivation for wanting a different fan?
The new Three R's: Rain Sensor with auto close, Reversible Fan, and Remote control. It is a looong reach to the fan controls on the T21 since the roof is taller.

After I take delivery in the morning I'm going to start looking at the feasibility of adding an external "riser box" to make the 7350 fit.
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Old 12-02-2014, 07:00 PM   #4
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Thanks.
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Old 12-04-2014, 08:58 PM   #5
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Yesterday during my PDI it became very obvious why none of the FanTastic upgrades will fit my T21. While raising, or lowering, the roof the rear roof section passes very closely over the fans location in the front roof section. The OEM fan compensates for this by having all the controls recessed in the lower fan case so that nothing protrudes below the lower fan casing. The FanTastic upgraded units have knobs that protrude below the lower case at least two inches. The rear roof section will not clear the knobs and it would make an expensive mess of the roof panels and the fan if one was installed.

It will definitely take a exterior riser that effectively recesses the non-OEM fans controls to be able to upgrade the fan on a T21. I really don't want a chimney look so I suspect this upgrade is dead at least for now...
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Old 12-07-2014, 10:46 PM   #6
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Good luck on working this one out.
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Old 12-08-2014, 09:00 AM   #7
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Talking Qapla'!!!

Quote:
Originally Posted by Pooneil View Post
Good luck on working this one out.
I think I already have... The MaxxAir / Maxxfan Model 7500 does not protrude below the roof line. All the controls are fully recessed in the unit including the manual closing knob.

I emailed the link over to my dealer and the service shop folks think it will work as well. So I'll be hauling the trailer back over to them as soon as one arrives from their distributor.

The Maxxfan has the additional advantage in that it can still be used in the rain, not that it ever rains here in Georgia , unlike the FanTastic Fan. I'll post an update after the service guys try installing the Maxxfan.
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Old 12-08-2014, 09:36 AM   #8
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I thought that the problem with the MaxxFan was how it would be oriented on the roof. You would not want the fan opening pointed towards the front or sides when towing due to potential wind damage, and if you orient it towards the rear, it can allow rain to come in when the roof is upright.
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Old 12-08-2014, 09:57 AM   #9
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The model in the link closes down similarly to the stock fan and does not leave that big MAXXair wind scoop that we are more familiar with. While the web description says it can be operated while driving, that would not work with an Aframe installation. The locking feature is more important for us!

I guess the question, is does the remote lock and unlock the fan cover?
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Old 12-08-2014, 12:36 PM   #10
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The units mounted orientation for my installation will be "backwards" with the rear of the fan facing forward. And yes, installing it the "correct" way would make a wonderful funnel for any rain! Since it folds down nearly flat, and does not have the traditional MaxxAir big box scoop, I think it will do fine when in the "closed" mode while towing.

I don't believe there is a "lock" feature of the unit per se. Powering off the unit, or using the Open / Close button, brings the lid down in to the Closed mode. That should suffice as there should not be a lot of wind on the trailers top with it behind my Expedition.

I just received an email from my dealer that the fan should be in late this week.
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