Located on the back wall of your fridge (usually near the bottom shelf or behind the crisper drawers), this tiny hole is responsible for draining away the condensation that naturally builds up during the defrost cycle.
During the compressor’s off-cycle, a defrost heater melts frost accumulated on the evaporator coils. The resulting water runs down the back wall, enters the drain hole, travels through the drain tube, and drips into the drain pan. Warm air from the compressor or a dedicated heater then evaporates the water. drain hole refrigerator
Ignoring drainage issues can lead to hidden structural damage. Look out for these four indicators that your defrost drain is failing: Located on the back wall of your fridge