Many furnaces run at a high efficiency.
Furnace exhaust pipe leaking water.
This is one of the most common reasons for a furnace leak.
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.
If you have a conventional furnace the two most likely reasons for dripping water include.
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 around your furnace.
Possible causes of leak.
There are a few different reasons your furnace could be leaking water but the most common reason is a.
If your furnace exhaust pipe or flue pipe is leaking it can be a sign of a much bigger problem.
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.
Improperly designed vent pipe.
Here s what to look for.
Reasons for a furnace leaking water condensation leak.
Furnace is leaking when ac is on 1.