How to Unclog a Sub-Zero Refrigerator Drain Tube Dealing with a clogged fridge drain can be frustrating. When water collects inside your Sub-Zero refrigerator, it creates a mess, raises concerns about food safety, and can shorten your appliance’s lifespan. Fortunately, knowing how to unclog a fridge drain tube can help you avoid costly repairs and keep your fridge running efficiently. https://sub-zero-appliance-repair.com/easy-steps-how-to-unclog-a-fridge-drain-tube/