Lincoln Service Parts 2 › Lincoln Electric R-8040-371-1R R-8040-371-1R FLOW SWITCH Lincoln Electric R-8040-371-1R R-8040-371-1R FLOW SWITCH Sale Price: $302.65 Original Price: $348.05 FLOW SWITCH PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1 Add To Cart Added! FLOW SWITCH PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1