Lincoln Service Parts 2 › Lincoln Electric 9SS27185-6 AIR PRESSURE SWITCH S27185-6 Lincoln Electric 9SS27185-6 AIR PRESSURE SWITCH S27185-6 Sale Price: $121.65 Original Price: $139.90 AIR PRESSURE SWITCH PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1 Add To Cart Added! AIR PRESSURE SWITCH PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1