Samsung fridge freezer operates efficiently with the genuine Samsung SAMDA DA4700321L Defrost Heater. Designed to fit seamlessly with your Samsung appliance, this heater is an essential component for maintaining the integrity of your unit's design while ensuring reliable freezers, and draws power electrically to effectively and safely defrost your frozen items. With the inclusion of the Defrost Heater, you can expect consistent performance and a hassle-free experience in managing your freezer's defrosting needs.