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Old 12-14-2012, 03:36 PM   #15
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THis is the product that I am trying to install. Its bracket is not shaped like an L. It is nearly flat and was developed by the same Company that made the fan. It seems the cover was not developed with my fan in mind as the model of fan Winnebagp used is clamped in without mounting screws from the outside. It is mounted with 4 screws from the inside and basically clamps the fan in place. Unless I used L brackets from another source I need to drill. It seems to me that I would need to drill using an L bracket too. Just in a different place.

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Old 12-14-2012, 03:43 PM   #16
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Prior vent covers I've installed in the past required either drilling into the vent base or removing a screw in the base to mount the cover's bracket and then reseal. The most recent covers required installing a screw into the side of the vent with a screw/nut to secure and not into the base. I installed a Maxxair II cover on my rear Fantastic fan and that was what was required.

Here's a video showing an install that doesn't require a base mount. It might help if you indicate the cover your using.


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Old 12-14-2012, 04:06 PM   #17
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Mine were Maxaire also I believe ...over Fantastic Fans. They have always said not to install covers over their fans. Interesting to see that Fantastic Fan has decided to create their own product to met the need/desire for customers to have a cover over the fan! I read their install instructions and do not like the idea of breaking the seal on the installed vent, even just around the four screws. Yeah, it can all be resealed, but introduces 4 new and unnecessary possible problem areas to me! Why break a seal if you don't have to? That was one of the primary reasons I bought the sewer vent I did ...it did NOT require removing any existing sealant. And the clincher was that it is enameled metal and won't turn yellow from age.
Paul (KE5LXU) ...was fulltimin', now parttimin'
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Old 12-14-2012, 07:06 PM   #18
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I just removed vent covers that were bolted on via a four bolt holes made in the side of the existing vent. The new fantastik covers have you remove four existing screws.Using a good box cutter and cutting down was easy to remove the four screws. I put some dicor in the screw holes and then recovered. If you prefer, use some GOOP and it will not leak. Dicor can and does get tired after several years. I was shocked to find your vents did not have screws. Adding four new ones is no big deal. If you were trying to find screws buried in Dicor sometimes a magnet helps but not always. The new vent covers do not restrict the air flow like the last ones and these look and feel like they are much better plastic. Fantastic needs to come up with a quick disconnect for the fan blade assembly for easier cleaning. Just a side note. The pop on screens on the inside are nice but they break easily. A replaceable air filter or a washable one would be nice too.
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Old 12-15-2012, 06:04 PM   #19
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Just installed two vent covers over Fantastic Vents. One vent had 4 screws (under the sealant). The second vent had only 2 screws. Drilled 2 new holes and mounted the brackets. Lazy worker at installation??
Tom, Jan with Papillon, Candy
'13 (60th annaversary) AMBASSADOR 40' DFT
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Old 08-07-2014, 03:15 PM   #20
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Thumbs up fantastic fan vent covers

hi, if you have to drill holes into the metal frame of your fan housing to hold the covers, these are generic exhaust fans with MAXAIR covers, not fantastic fan covers. fantastic fans have their own fantastic fan covers that are held in place with 4 screws that are already in the flange that sits on the roof. there are 4 screws that need to be removed (under mastic that cover the screw heads)fantastic fan covers come with brackets that must be screwed down to the existing fan flange. the outboard pins and hairpin clips hold the covers in place, be sure to remove mastic so the supplied bracket sits flush on the existing flange. then use self leveling mastic under the brackets before screwing down, then place lapseal over the screwheads.... surfaces must be clean for lap seal to adhear. now install cover over pins and install hairpin clips, your done! good luck
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Old 08-07-2014, 10:25 PM   #21
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Originally Posted by Tha_Rooster View Post
I have installed four covers and none had to remove screws. They came with L shaped brackets that screwed to the side of the fan box and the cover set on top of the bracket. No sealing required and absolutely no holes in the roof.
This is exactly how mine installed. They were max air covers. I would never want to make more holes in my roof.

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