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The water supply tube to the ice maker repeatedly freezes over, even after manual defrosting with a hair dryer — a clear sign the embedded heater has failed and needs replacement.
Ice maker produces only small chips, partial cubes, or irregular batches because restricted water flow from a partially blocked or failing fill tube prevents full tray filling.
Water drips or pools at the back of the refrigerator where the fill tube connects, caused by a cracked tube body or failed tube-to-valve fitting that has developed a leak.




💡 Pro Tip: Is Your Fill Tube the Problem?
Your part is likely the culprit if you notice any of the following:
⚠️ Ice maker has completely stopped producing ice cubes
⚠️ Fill tube is visibly frozen or blocked with ice build-up
⚠️ Ice production is reduced, inconsistent, or making only small chips
⚠️ Water leaking from the back of the refrigerator near the fill tube connection
🔬 Quick Diagnosis: Use a multimeter to check the heater resistance on the old fill tube — a healthy heater reads approximately 40–72 Ohms. An open circuit (OL/infinite resistance) confirms heater failure. Also verify 12VDC is present on the CN79 connector (pins 5–8) from the control board before replacing the tube — if voltage is absent, the control board may be the root cause.
📦 What's in the Box
✅ 1× Ice Maker Fill Tube & Heater Assembly (DA97-00209Z) — tube with integrated heater element, approx. 15.35" length
⚠️ Note: Does not include mounting screws or additional fittings. Refer to your model's service manual for fastener specifications.
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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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