Gas Furnace Vent Pipe Leaking Water

If your conventional furnace is leaking water it s most likely because of 1 of these 3 reasons.

Gas furnace vent pipe leaking water.

First off conventional furnaces were not designed to produce water of any kind. So if it is dripping water you should have a professional inspect the unit immediately. Why a high efficiency furnace creates condensation how in the heck does a high efficiency furnace create condensation water anyway. When the roof vent is leaking the actual cause must be identified first.

The yellow energy guide tag says your furnace s efficiency is 90 or higher afue. Possible causes of leak again the most common reason for a leaking furnace is a condensation leak. Leaky humidifier if your furnace has a built in humidifier and the humidifier is clogged or has a leak somewhere in it then that could explain the water pooled. 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.

An upflow gas furnace will have the evaporator coil installed on top of it. Gas furnace leaking water from evaporator coil. The evaporator coil is the indoor coil for air conditioning. There could be a few reasons why your furnace is leaking water but let s start with the most likely one.

An easy way to tell if you have a high efficiency furnace is to look at. 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. Improperly designed vent pipe. You ll know if you have a high efficiency furnace if.

This is typically flown out of a pvc pipe that comes from the furnace and drains into the floor drain in your furnace room. If your furnace exhaust pipe or flue pipe is leaking it can be a sign of a much bigger problem. The vent flue pipe is white pvc as opposed to metal. Poorly designed exhaust pipe.

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. Here s what to look for. Why a conventional furnace leaks water. 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.

Sun exposure and heat especially during the summer can cause the rubber boot to crack creating the space for water to leak in.