Re: Connecting two metal dryer vent hoses
Posted by hj on March 21, 1999 at 23:41:11:
In response to Re: Connecting two metal dryer vent hoses
Are you sure it was a 4" coupling? A 4" PVC coupling is about 4 3/4 to 5" in diameter and will normally not fit into a dryer vent without a great deal of effort and some modification. The proper way to do it would be to use a short section of 4" vent pipe beween the hoses. But, unless the dryer hoses are very short, putting two of them together will create a pipe with a lot of back pressure which will decrease the dryer's efficiency and could cause more problems than the 4" coupling.
: I connected two metal 4" diameter dryer vent hoses together to make a longer length of hose by inserting a 4" PVC coupling inside the ends of the hoses, and attaching the hoses to the coupling with 4" hose clamps. Do you think that the coupling thickness inside the hoses would create a place for lint to get stuck and thereby create a fire hazard? What is the correct way to accomplish this end?

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