Sounds like the vent pipe may be to long. Check with the dryer manufacturer
as to the maximum length and bends allowable for the machine. You have
hot,moist air flowing through it, and the longer it is, the more opportunity
it has to cool and condense



"DL" wrote in message
news:Rr8Of.28419$2c4.23147@dukeread11...
I noticed the other day that when my wife was doing a considerable amount
of drying, that there was condensation in the dryer vent piping.

The piping comes from the upper floor, down through the main level into
the basement and then goes to an exterior wall and exits our home.

I noticed dripping from the vent piping at the 90 degree turn in the
basement where it comes from the upper levels.

Is this normal? Don't know that I have ever noticed this before, mainly
because it is not something have ever looked for.

David