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Defrost water backs up when the original duck-bill grommet clogs, pooling and freezing in sheets at the bottom of the freezer compartment. The redesigned P-trap provides an open, clog-resistant drain path.
When the frozen drain trough overflows, meltwater eventually leaks out the front of the refrigerator and onto the kitchen floor. Replacing the drain tube restores proper flow to the evaporation pan.
A blocked defrost drain prevents condensate from clearing after defrost cycles, causing ice to accumulate on evaporator coils and walls, reducing cooling efficiency.
Heavy frost buildup on evaporator coils — caused by a clogged drain — restricts airflow and heat exchange, making the refrigerator section warmer than its set temperature.
💡 Pro Tip: Diagnosing a Clogged or Failed Defrost Drain Tube
Your part is likely the culprit if you notice any of the following:
⚠️ Sheet of ice forming on the bottom of the freezer compartment after every defrost cycle
⚠️ Water puddle appearing on the kitchen floor under or in front of the refrigerator
⚠️ Evaporation/drip pan under the fridge is bone dry despite the ice buildup inside
⚠️ Frost buildup on evaporator coils or freezer walls — refrigerator section running too warm
⚙️ Before installing the new drain tube, always fully defrost the freezer drain channel with warm water or a hair dryer. Ice blockages often extend above the drain outlet — clearing them first prevents the new P-trap from freezing up immediately after installation.
📦 What's in the Box
✅ 1× W10619951 P-Trap Drain Tube Assembly (~6" L × 1.5" W × 9.5" H)
✅ 1× Drain Spacer / Adapter Sleeve
✅ 1× Printed Installation Instruction Sheet
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Disclaimer: Compatibility information, part numbers, and model fitment data on this page are sourced from manufacturer databases and third-party references. While we strive for accuracy, please verify your appliance model number before ordering. Heima is not responsible for errors or omissions in compatibility listings.
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