The Samsung DA34-00043K Refrigerator Door Reed Switch is a replacement electrical switch designed for select refrigerator models. It works by detecting whether the refrigerator door is open or closed and sending the appropriate signal to the control system for related operations, such as interior lighting and door status monitoring. Designed for proper fit and compatibility, this reed... https://www.hnkparts.com/da34-00043k-smg-switch-reed