Is your Samsung refrigerator not defrosting as it should? The heater metal sheath (DA47-00121B) may be the culprit. Designed for Samsung refrigerators, this genuine part helps address defrosting issues. A malfunctioning heater sheath often leads to frost accumulation, impacting your appliance's performance. Replace it to restore your fridge's functionality. Before purchase, confirm your device's model number to ensure compatibility.