R K Young , AZ July 18, 2022 Appliance: LG Refrigerator LDC22720SW/00 Lg Refrigerator Ldc22720sw/00: LG bottom freezer leaking water. How to replace Defrost Sensor Assembly. Replaced freezer defrost heater. Replaced freezer defrost sensor. 1 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: 30-60 minutes