The refrigerator defrost drain is a critical but often overlooked component. When blocked, it causes water to pool inside or leak onto the floor. This paper outlines the function of the defrost drain, common causes of clogs, tools required, and a step‑by‑step cleaning procedure.
: Look for a small opening on the back interior wall of the fridge, typically near the bottom. how to clean fridge defrost drain
If the drain is clear, you should hear the water rushing into the evaporation pan underneath the fridge. If the water backs up and comes out of the hole, the clog is still there. Repeat Steps 3 and 4 until the water flows freely. The refrigerator defrost drain is a critical but