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Old 05-15-2015, 06:48 PM   #1
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Reduce noise from outdoor radon fan?


[Hope this is the right forum for this question...]

Our outdoor radon fan (see photo) emits a hum. Not too loud. But I would like to reduce the noise even further. Any ideas on how to do this? Is there any type of wrap suitable for outdoor installation that I can use? Some other product? Something I can make?

Thank you.
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Old 05-16-2015, 06:16 AM   #2
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Reduce noise from outdoor radon fan?


Not much else to do to those.

Its coupled on both ends by a rubber ferco so there shouldn't be any vibration there.

Make sure the PVC isn't touching the fan body and make sure the fan is in good shape. Worn out bearings and out of spec tolerances will net a vibration out of the fan.

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Old 05-16-2015, 10:45 AM   #3
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Reduce noise from outdoor radon fan?


Check nameplate to see if you can wrap it with insulation or build insulated box around it, at the Fernco...

Gary
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Old 05-16-2015, 01:25 PM   #4
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Reduce noise from outdoor radon fan?


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Originally Posted by Gary in WA View Post
Check nameplate to see if you can wrap it with insulation or build insulated box around it, at the Fernco...

Gary
Gary -- I was thinking of wrapping with insulation, BUT what type of insulation can be used outside? Bubble wrap? Something else????
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Old 05-17-2015, 05:35 AM   #5
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Reduce noise from outdoor radon fan?


My radon fan is outside under a deck. We can't hear it at all. To tell if my system is running I have to put ear to exhaust pipe to hear the rush of air. If your fan is older I would consider buying a new one.
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Old 05-17-2015, 01:39 PM   #6
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Reduce noise from outdoor radon fan?


Some reading is due you; http://www.wpb-radon.com/Radon_fan_n...ml#quiet%20fan

Might also enjoy; http://www.wpb-radon.com/pdf/Radon%2...ation%2004.pdf

Gary

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