What is the rough opening for the fan?
231586
24 1/4" square per the instructions. That is what I used and it worked out well. The flanges extend out approximately an additional 1 1/2" out from all sides, so you need that additional space on the mounting wall to allow for the frame mount as well as trimming the unit out with required flashing (flashing requirements depend on the exterior of your particular building).
565501
The fan is deeper than 3".We bought it for a small bath room that did not have an exhaust fan.
1838955
You are correct that the cover hinders the full opening of the fan "lid". I don't consider this to be a problem in that there is more than enough air flow. The benefits of having the cover outweigh the need to open the lid another inch or so.
2035137
The fan measurements are 12.5" X 10" so the hole is slightly smaller than that. They do give you a pattern to use to cut the hole. Simple installation.
915561
The longer, slightly narrower portion of the foot clasp goes face up and slides into the small opening on the backside of the fan, about 3-4" from the edge of the fan. I attached a pic on the fan's page.
241812
The rough opening is 17 1/4" by 17 1/4". For more info go to http://www.bvc.com/Installation%20Instructions/IF%20Oper%20Instr.pdf,
2103277
Hey TNG, I had the same problem. The holes in the frame of the fan are drilled smooth and not threaded. The coarse thread screws provided with the fan must be screwed into the fan frame BEFORE you try to install it, so that the screws will go in and seat to the threads. Another problem I had with mine was the hole spacing. Two holes were about 3/32 to 1/8" off, so the screws went in at a slight angle, but it held securely with no rattling. All in all it's a great fan once it's installed. Hope this helps...
1099237
It says in the specs that the 24" fan needs a rough opening of 26" X 28". However when I received my fan the square measurement was 28" X 28 1/2". So go figure.
2174022
I cut a hole about 10 1/2 x 10 1/2 in order to squeeze it in. I had to remove the exhaust flange and insert it 1st in the ceiling in order to fit everything through the opening since I had very little height to work with in the ceiling. That was probably the most difficult part but everything went back together well and the fan performs very well. Here is a link to the installation documents. http://www.ntsupply.com/files/products/whisperfitliteinstallationv4.pdf
1109039
The side with the colored rings is the side for the air intake. It should show on the side of the fan, a small arrow pointing which way the air flows
1562077
rig it lol. I have one rigged to the front at the bottom, I bent the metal corners of the black metal screen to hold it.No actual fan slot afaik.I would do intake from the bottom, just use something to screen dust.
343879
Sorry, I am in the same boat as the others that tried to help you. The sides of the unit are sloped and it did go in much easier than the more expensive hunter unit. Thanks to the shape, I had not problem with the fit on a standard Hunter fan. I am planning on purchasing 2 or 3 more units.
2088497
I do not know. It has been a long time since I installed this fan; it seemed better suited to new construction rather than remodeling.
1940222
You should pull air out of the back of the case. If you look on the edges of the fan there are arrows that indicate air flow direction . use this to help you install.
947023
YES IT IS. Btw, I have dropped my first fan 2-3 times...it stopped working...was still until original warranty, was sent back and replacement received...SAVE THE BOX...hard to find one that size...lol
475196
The fan is about 3/4" thick. I had to return this power supply because it failed within 24 hours. This is a known problem and I don't know why it is still being sold.
602729
No special tools needed at all. Also, the fans work really well with the casing. If u send me your email address I can send you a pic of what it looks like after its all installed.