Defrost Drain Pan -

It is a passive, zero-energy water disposal system. No pumps. No drains to the sewer. Just heat and gravity. While the system is simple, it isn't immune to trouble. Here is what goes wrong most often. 1. The "Stinky Fridge" Syndrome If you notice a musty, sour, or rotten egg smell coming from your kitchen, the drain pan might be the culprit. Dust, lint, spilled milk from the fridge interior, and stagnant water mix together to create a breeding ground for mold and bacteria. 2. The Clogged Drain Tube Water doesn’t magically appear in the pan; it travels via a small tube from the freezer down to the pan. If food debris or ice blocks that tube, the water backs up and freezes inside the freezer floor (causing that dreaded ice dam) or leaks out the bottom of the fridge door. 3. The Cracked Pan Plastic gets brittle with age. Over time, the constant heating (from the compressor) and cooling (from the water) can cause the pan to crack. If you see a puddle of water on your floor that isn't coming from the ice maker line, a cracked pan is the likely suspect. How to Clean Your Defrost Drain Pan (15-Minute DIY) You should check this pan every 6 months. Here is the safe way to do it.

Carefully roll the refrigerator away from the wall. Locate the pan. It is usually a black or grey plastic tray right above the floor in the back. defrost drain pan

Take the pan to a utility sink. Scrub it with hot, soapy water. To kill mold, soak it for 10 minutes in a solution of 1 cup bleach to 1 gallon of water (or use undiluted white vinegar for a less toxic option). It is a passive, zero-energy water disposal system