Lincoln Service Parts 2 › Lincoln Electric 9SS31170-20 CONTROL BOARD ASBLY S31170-20 Lincoln Electric 9SS31170-20 CONTROL BOARD ASBLY S31170-20 Sale Price: $3,200.06 Original Price: $3,680.07 CONTROL BOARD ASBLY PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1 Add To Cart Added! CONTROL BOARD ASBLY PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1