Rubber, rather than PVC, couplings?

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Old 12-20-16, 06:38 PM
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Rubber, rather than PVC, couplings?

I have a radon fan that is putting more noise into the house than i like.

It is connected to the pipes with PVC coupling. i think rubber would pass less vibrations, but haven't seen them in years. Are they still made?
 
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Old 12-20-16, 07:49 PM
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Sure, you'll find them in the plumbing section of your favorite Box store. They make rubber sleeves with two hose clamps, or shielded version with a wrap of stainless around the rubber for more strength and rigidity. Just make sure you get the ones for PVC as they have versions for other materials that are slightly different sizes. Fernco is a well known brand.
 
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Old 12-21-16, 04:50 AM
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All the Fernco I have seen are made of PVC.
 
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Old 12-21-16, 08:02 AM
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You're right, they are made from flexible PVC, not rubber or neoprene.
 
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Old 12-21-16, 10:05 AM
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I just recently used these clamps for a dryer booster fan.

[ATTACH=CONFIG]74693[/ATTACH]
https://www.amazon.com/gp/product/B004NCH4O6

They were fine. They did their job in creating a decent seal, but they don't hold very tightly, so the fan and pipes need to be well secured so they don't pop off each other. If I did it again, I'd probably just use a rubber Fernco type coupler instead since it will be a more secure.
 
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Old 12-21-16, 11:03 AM
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But I might be able to wrap some neoprene around the pipe under the fernco coupler... That might help a little.
 
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