If your furnace exhaust pipe or flue pipe is leaking it can be a sign of a much bigger problem.
Furnace exhaust pipe leaking water.
Your furnace could be leaking for several reasons it s a high efficiency gas furnace and condensation is leaking out or its drainage is blocked the flue on your standard efficiency furnace is the wrong size.
Reasons for a furnace leaking water condensation leak.
Possible causes of leak.
This is one of the most common reasons for a furnace leak.
A poorly sized flue pipe a leaky humidifier.
Furnace is leaking when ac is on 1.
Again the most common reason for a leaking furnace is a condensation leak.
Another reason for your furnace leaking water is a break or clog in the humidifier.
If your conventional furnace is leaking water it s most likely because of 1 of these 3 reasons.
Improperly designed vent pipe.
How to handle your furnace leaking water type of furnace.
There are a few different reasons your furnace could be leaking water but the most common reason is a.
Here s what to look for.