Lincoln Service Parts 2 › Lincoln Electric 9SS33791 PFC CONTROL BOARD ASBLY S33791 Lincoln Electric 9SS33791 PFC CONTROL BOARD ASBLY S33791 Sale Price: $1,437.24 Original Price: $1,652.83 PFC CONTROL BOARD ASBLY PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1 Add To Cart Added! PFC CONTROL BOARD ASBLY PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1