Lincoln Service Parts 2 › Lincoln Electric 9SS31225-29 CONTROL BOX ASSEMBLY SF4200 S31225-29 Lincoln Electric 9SS31225-29 CONTROL BOX ASSEMBLY SF4200 S31225-29 Sale Price: $2,305.92 Original Price: $2,651.81 CONTROL BOX ASSEMBLY SF4200 PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1 Add To Cart Added! CONTROL BOX ASSEMBLY SF4200 PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1