Water Dripping From Furnace Vent Pipe When It Rains

Other causes of leaking roof vent are including broken seams on the metal base loosen nails and rusty metal collars around the vent pipe.

Water dripping from furnace vent pipe when it rains. During hard rains water drips from a 45 elbow on my furnace vent line in our basement. When the roof vent is leaking the actual cause must be identified first. If this is the case it could be an incorrectly sized flue pipe which is making water to drain back into the furnace. A problem with the heat exchanger in your furnace could cause a water leak and unfortunately is one of the most expensive repairs.

If you ve looked into the other possible causes of a leak and can t find it it may be the heat exchanger. We even had big rainstorms before and after rain coming down the vent pipe opening but no pattern. The heating system works fine and has done so for years. The pipe is 4 galvanized makes a double 45 in the basement before going up through 2 floors and out the.

My problem is that i have water leaking from the wall only where the chimney and wall meet nowhere else in the attic. When you notice water dripping from your furnace or pooling up at the base you need to act fast. Broken condensation line condensate pump. A technician will be able to advise you on whether this needs to happen.

A new unit may need to be installed. If you have a standard efficiency furnace usually 15 plus years old it should not be leaking water. I could obviously seal the piping but then the water would run back into the furnace. Sun exposure and heat especially during the summer can cause the rubber boot to crack creating the space for water to leak in.

The exhaust pipe on the other hand is metal aluminum and travels on a slightly upward angle into a nearby chimney to vent. During hard rains water drips from a 45 elbow on my furnace vent line in our basement. The pipe is 4 galvanized makes a double 45 in the basement before going up through 2 floors and out the roof.