Question about Panasonic Fan FV-05VFL2 WhisperFit-Lite Low Profile Ventilation Fan Light - Fan/Light/Nigh...

2 Answers

I have installed a Panasonic Fan / Light combo. Whenever I attach the 4 inch flex tube to the exhaust port of the unit, it makes a slight rattling noise that my customer says she can't live with. I have supported the flex tube and ensured that the port is tight. I have duct taped the snot out of this thing and still cannot stop the rattle. The unit is secure in the framing and the rattling goes away when I disconnect the flex tube. Any thoughts? Oh, I replaced the first fan thinking it was the fan but the replacement fan does it also. Thanks, Mike

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  • Michael Henry Jun 24, 2009

    Again, I do't think its the tube. Another fan installed the same way in another bathroom is fine.

  • Michael Henry Jun 24, 2009

    Yes. I will try the recommended corrections. Even if they don't work, I appreciate the professional response.

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I've been doing HVAC commercially now for about two years and i run into this problem often. Check the flex for small tears. They tend to make this sound. Then if that's not it try using a piece of ridged pipe about 2 feet to start the run and put an elbow in it. This way the air is not blowing straight into the flex and it usually takes care of the noise. You may want to check the plastic cover anchors also they rattle sometimes too. Hope this helps. Please accept this solution if you feel that I have helped. Good luck.

Posted on Jun 24, 2009

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  • Master
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Hi there,

What kind of tube u r using.... There are some flax tubes are coming in market whay dont you use tham.

Thanks

Posted on Jun 24, 2009

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I had the exact same problem. The port is a relief valve to prevent the motor from burning out if the hose/bag are clogged. Check the main hose from end to end after removing the 3 screws that hold it to the body of the vacuum near the handle. If that's clear then it's almost certainly clogged in the short tube that goes from the beater bar housing to the hose extension (where the flex tube attaches). There are two ways of going about this.

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