Lincoln Service Parts 1 › Lincoln Electric 9SFC0328280030 DIFFERENTIAL PRESS SWITCH FC0328280030 Lincoln Electric 9SFC0328280030 DIFFERENTIAL PRESS SWITCH FC0328280030 Sale Price: $172.82 Original Price: $198.74 DIFFERENTIAL PRESS SWITCH PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1 Add To Cart Added! DIFFERENTIAL PRESS SWITCH PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1