Lincoln Service Parts 1 › Lincoln Electric 9SL17622 HEAT EXCHANGER L17622 Lincoln Electric 9SL17622 HEAT EXCHANGER L17622 Sale Price: $6,403.58 Original Price: $7,364.12 HEAT EXCHANGER PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1 Add To Cart Added! HEAT EXCHANGER PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1