Water in vent

Moister in the dryer:

This means that the moist air is not escaping correctly and that is why it is taking so long to dry your clothes - if they dry at all.
a good start at cleaning out lint blocked areas, I suggest go to the back of the dryer and take off the vent pipe or hose and check things out with a flashlight. Clean out all the lint and dust you can, even use a vacuum cleaner on it. Make sure the vent pipe is completely clear of any obstructions.Non-rigid ventshas much worse air flow than smooth piping, so you might want to upgrade tosmooth piping.
Once you have all the lint and dust cleaned out of the dryer, go to where the dryer vents outside. Again, clean the area thoroughly. There is usually a trap door that opens when the dryer air is on and closes when it is not operating. It should be completely clear of lint and opening smoothly.
Also, look into the exhaust area on the dryer carefully to see if there is a hole or gap in the dryer's internal air ducting. Without the vent pipe connected and with no clothes in the dryer, start it and let if run for a few seconds and make sure there is strong air flow from the exhaust port. You should feel it strongly on your hand.
Re-connect the vent pipe and start the dryer again. Feel all around the bottom to see if any air is blowing out from under the bottom. This would indicate there is a break or gap in the dryer's internal ducting. If you do feel air, you will need to call a service technician to see if it can be repaired. If your dryer is very old, there could be a rust hole in the duct.
In conclusion Cause ·Poor venting is a common reason why water might leak into a clothes dryer. Since the dryer works to expel moisture, it is important that the dryer's vents are properly installed so that the humidity can escape.
Effect ·If the humidity in the dryer is trapped, it will eventually turn to water. This will lead to poor drying results or longer drying times, depending on the amount of leakage.
Prevention/Solution ·Faulty dryer venting can be prevented by making sure that the humidity is directed outdoors. Also, vents should be cleaned of lint and other debris before each load so that water can readily escape. Taking these precautions can ensure that the moisture will meet dry, open air.
Read more :http://www.ehow.com/facts_7167266_would-water-dryer_.html






Why Would Find Water in My Dryer eHow

Igreat answer above now here is a great video shows how it works and what to check

If your vent hose is more than about ten feet long, your dryer may not have enough pressure to keep the air moving sufficiently to dry the clothes. Is it possible you are simply over loading your dryer?

Make sure the lint trap in the door is clean. It has a plastic cover that opens. Disconnect the venting at the rear and run a load, if it works you have a restriction in the hose after the dryer or in the wall past the hose.

A conventional dryer uses 240 volts to heat air, which passes through the tumbling laundry, picking up moisture, which is then vented to the building's exterior.
Your dryer uses 120 volts to warm air, which picks up moisture from the tumbling clothes, which then passes through a vent pipe in the back right corner of the dryer where a cold water spray causes the moisture to condense, run to the drain, and then is pumped out of the washer/dryer combo. There is no exterior vent to the outside of the building. Drying with your dryer will take at least twice as long as with a standard dryer. You can wash large loads, but can only dry small loads, and the clothes will not be as dry when dryer is finished as they will be with a standard dryer.
All that said, to make sure your dryer is performing as well as it can, you might like to take the back cover off and check the elbow at the very left bottom corner (when viewed from behind) to make sure nothing is obstructing the flow of water under the tub to the drain.

If it is a vented dryer, then check the vent hose for blockage, or kink in the hose,. also, make sure the filter is clean.
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Thanks.

your vent is very very cloged you need to take off vent hose and clean lint out of dryer.(do not use until you do.

check to make sure vent is clear

I would suggest you try this simple easyfact finding venture:
remove the vent fromt he dryer(take a bucket as the vent is going to have water in it) pour the water out of the vent,leave the vent off and try drying some loads,IF the unit works as it should( normal dry times) then you will need to have the vent cleaned to the outside. many birds like to place nests in them!
Good Luck!!

The vent is clogged.