Lincoln Service Parts 2 › Lincoln Electric 9SS28188-49 RECTIFIER AC BOARD S28188-49 Lincoln Electric 9SS28188-49 RECTIFIER AC BOARD S28188-49 Sale Price: $148.68 Original Price: $170.98 RECTIFIER AC BOARD PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1 Add To Cart Added! RECTIFIER AC BOARD PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1