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Old 04-18-2014, 09:29 PM   #1
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Putting a new bathroom exhaust fan in a 13" hole...


I didn't know which forum this goes in, but a search shows they go here more than anywhere else....

I have 3 year old Nutone 8664RP.
http://www.homedepot.com/p/NuTone-De...specifications
It was always loud, but now it is really loud and doesn't move much air.

Problem is that it has a 13" hole, and nothing else is that size. Can I put in another fan that calls for a smaller hole, but has a grill large enough to cover the hole? Such as:
http://www.lowes.com/pd_539634-14-ZB...an|0%20-%200.9

Unfortunately only the really expensive ones are large enough, but I surely don't want to try another Nutone.
Any other ideas, besides repairing the ceiling?

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Old 04-18-2014, 09:45 PM   #2
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Putting a new bathroom exhaust fan in a 13" hole...


Have you checked to see if the duct is clogged? You could replace the motor and save the hassle of replacing the housing. If you don't repair the ceiling the fan will pull air from the space above.

Broan and Nutone are the same company.

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Old 04-18-2014, 10:05 PM   #3
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Putting a new bathroom exhaust fan in a 13" hole...


Quote:
Originally Posted by djlandkpl View Post
Have you checked to see if the duct is clogged? You could replace the motor and save the hassle of replacing the housing. If you don't repair the ceiling the fan will pull air from the space above.

Broan and Nutone are the same company.
I am sorry to hear all of that. We had a Broan at our old house and it was very nice, but if it is the same company as Nutone....

Are the motors easy to replace and obtain? That might be the more practical solution.
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Old 04-18-2014, 10:09 PM   #4
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Putting a new bathroom exhaust fan in a 13" hole...


Quote:
Originally Posted by Toller
I am sorry to hear all of that. We had a Broan at our old house and it was very nice, but if it is the same company as Nutone.... Are the motors easy to replace and obtain? That might be the more practical solution.
Replacing the motor is easy. You should be able to find the replacement motor by searching using the model number. The motor number may be on the unit too.
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Old 04-18-2014, 10:11 PM   #5
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Putting a new bathroom exhaust fan in a 13" hole...


I found this
http://nutoneproducts.typepad.com/nu...s97017706.html
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Old 04-18-2014, 10:21 PM   #6
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Putting a new bathroom exhaust fan in a 13" hole...


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Originally Posted by djlandkpl View Post
I appreciate the help. I will just figure on replacing it every few years.
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Old 04-18-2014, 10:25 PM   #7
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Putting a new bathroom exhaust fan in a 13" hole...


Are you sure the duct isn't blocked? A blockage would cause the issues you are having.
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Old 04-19-2014, 09:36 AM   #8
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Putting a new bathroom exhaust fan in a 13" hole...


Quote:
Originally Posted by djlandkpl View Post
Are you sure the duct isn't blocked? A blockage would cause the issues you are having.
So will the inability for new air to enter the space being exhausted. A lot of "tight" homes or spaces have no way for new air to replace exhausted air, so it appears as though the exhaust fan isn't working, when in reality no exhaust fan could work without make up air.
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Old 04-19-2014, 09:45 AM   #9
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Putting a new bathroom exhaust fan in a 13" hole...


Something as simple as no gap under the bathroom door can cause it to make more noise.
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Old 04-23-2014, 02:11 PM   #10
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Putting a new bathroom exhaust fan in a 13" hole...


The new fan came today. It took maybe 5 minutes to install it.
About half the excess noise went away immediately.
The other half was due to vibrating sheet metal; when I pushed on it, it quieted down. Unfortunately there was absolutely nothing to screw to.
I put duct tape all around the interior and it quieted down.
With a CFM, heat isn't likely to be a problem for the duct tape, is it?

So now I think it is simply noisy like the cheap fan it is; completely livable.
It is a 3.5 sone fan, so it isn't fair to compare it to a good one.
Thanks so much for your help.


If you have a better solution for the vibrating sheet metal than duct tape, let me know.

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