Gas Furnace Vent Pipe Leaking Water

First off conventional furnaces were not designed to produce water of any kind.

Gas furnace vent pipe leaking water.

Gas furnace leaking water from evaporator coil. High efficiency furnaces those with an annual fuel utilization efficiency afue rating of 90 percent or higher have cool exhaust and as a result they produce condensation. However if this tube becomes clogged or if the drain on your floor becomes it can cause water to backup and leak out of the furnace. There are two main issues that can cause your conventional furnace to drip water.

So if it is dripping water you should have a professional inspect the unit immediately. You ll know if you have a high efficiency furnace if. An upflow gas furnace will have the evaporator coil installed on top of it. If your furnace exhaust pipe or flue pipe is leaking it can be a sign of a much bigger problem.

Sun exposure and heat especially during the summer can cause the rubber boot to crack creating the space for water to leak in. The vent flue pipe is white pvc as opposed to metal. If water does enter the combustion air pipe there should be a tee installed at distinct locations to prevent water from entering and leaking from the furnace. Taking a look at the vent or exhaust pipe is a pretty foolproof technique so don t worry if you don t know your furnace s afue rating.

Other causes of leaking roof vent are including broken seams on the metal base loosen nails and rusty metal collars around the vent pipe. Why a conventional furnace leaks water. If your conventional furnace is leaking water it s most likely because of 1 of these 3 reasons. There could be a few reasons why your furnace is leaking water but let s start with the most likely one.

The evaporator coil is the indoor coil for air conditioning. An easy way to tell if you have a high efficiency furnace is to look at. Poorly designed exhaust pipe. Furnace is leaking when ac is on 1.

Improperly designed vent pipe. Here s what to look for. Possible causes of leak again the most common reason for a leaking furnace is a condensation leak. When the roof vent is leaking the actual cause must be identified first.

This is typically flown out of a pvc pipe that comes from the furnace and drains into the floor drain in your furnace room.