Air Conditioner Drain Pan Leaking

The most common cause of an air conditioner leaking water is a clogged condensate drain line.

Air conditioner drain pan leaking. Check the overflow pan for notches, holes and cracks. One of the first things the technician will do is locate the drain pain and check for standing water. The water that comes from your ac unit , runs down the sides of the coil and collects inside the condensate pan , eventually reaching the condensate drain and flowing off to the drain method your installer chose.

The drain pipe is clogged. If it hasn’t rained recently, chances are very high the problem is an air conditioner drain leak. As the water level in the pan rises, water is pushed into a pvc condensate drain line that directs the water outside.

If water is leaking very close to the air conditioner, the ac drain line should be your top suspect. Condensation from central home air conditioning units. The third reason why your air conditioner might be leaking is a clogged drain line.

You'll need to replace the pan. A clogged drain pipe is the most common cause of standing water in the drain pan. We’ve divided them into 2 categories:

Use a flashlight to inspect the drain pan, located inside the air handler. Over time, moisture from the air collects on those coils. This line is responsible for allowing condensation to escape from your air conditioner.

As the drain pan is made of metal, it easily rusts. A primary pan that is installed on the coil, and an auxiliary pan that is either installed inside the unit below the primary pan or under the unit. We’ll go into more detail about each of these problems.