Semi-rigid dryer duct in contact with PVC drain pipe


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Old 06-29-17, 04:59 PM
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Semi-rigid dryer duct in contact with PVC drain pipe

I just installed a dryer vent using semi-rigid aluminum duct. Approximately 7' from where the semi-rigid duct attaches to the dryer at floor level, the duct touches a black PVC drain at ceiling level. The surface to surface contact is probably less than 2 inches. Can the heat from the semi-rigid duct damage or even melt the PVC drain pipe? I suspect the heat from the dryer has dissipated sufficiently at 7' but I have no experience doing this type of work. Thanks in advance for your responses.
 
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Old 06-29-17, 07:16 PM
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Welcome to the forums.

That will not be problem. It takes a lot of heat to melt PVC and the dryer doesn't get anywhere near hot enough for that.
 
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Old 06-29-17, 08:20 PM
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But he said black so it is probably ABS not PVC but same answer.
 
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Old 06-30-17, 05:30 AM
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People run dryer duct in PVC all the time so you will be fine.
 
 

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