Jerry S Billings , MT September 12, 2021 Appliance: KitchenAid Refrigerator KRFC704FSS01 Kitchenaid Bottom-Mount Refrigerator Krfc704fss01: Not making ice. The fill tube was freezing. How to replace Water Tube. Replace fill tube along with updated higher wattage heater. Do-It-Yourself Rating: Repair Time Estimate: 15-30 minutes