Water Coming From Furnace When Heat Is On

It s not furnace season so it shouldn t be the furnace that s leaking all the water.

Water coming from furnace when heat is on. High efficiency furnaces with afue ratings over 90 typically have a. Another reason for your furnace leaking water is a break or clog in the humidifier. These allow the furnace to extract heat from the gases for a longer period of time. This is one of the most common reasons for a furnace leak.

Faulty secondary heat. 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. Common causes for water leaking around your furnace pvc drain line plugged as systems age dust and dirt can collect on the evaporator coil falling into and eventually plugging up the drain line. This causes the combustion gases to cool and then condense.

As stated above some furnaces naturally produce condensation. 4 reasons why your furnace is leaking the floor drain may be clogged. With this restriction the water will push back into the coil and eventually spill onto the floor. Reasons for a furnace leaking water condensation leak.

Broken condensation line condensate pump. Improperly designed vent pipe. But if that water is pooling around the furnace there s a problem preventing it from draining properly. Why is my furnace leaking water.

Causes of a condensation leak around a high efficiency furnace. Is your furnace leaking water when the ac is on. That condensation then exits out your home through a drain. If you ve got an old unit your drain pan might be rusted or damaged which could mean that the water is running right through it and dripping onto the floor instead of into the drain pipe.

Just below the evaporator coil in your furnace or air conditioner is a drain pan that catches the condensation coming off the coil. Furnace condensation internal drain system clog. Furnace is leaking when ac is on 1. Many furnaces run at a high efficiency.

If your conventional furnace is leaking water it s most likely because of 1 of these 3 reasons. What you have going on. But a high efficiency furnace to extract more heat has 2 heat exchangers.