replying to Mitch, Greg wrote:
The most likely reason for the water in the dryer vent hose is a blockage
somewhere in the vent near the roof. If there is not sufficient airflow then
there is nowhere for the moist air to escape causing condensation in the line.
Get them runs back and all the way down into the dryer vent hose. This is
fairly common when there is a long run of ductwork and also in colder
climates. My guess is you few get up on the roof and check the damper, you
will find that there is a problem with the flapper or it is just completely
clogged

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