Lincoln Service Parts 2 › Lincoln Electric 9SS17056 THERMOSTAT HEAT SINK S17056 Lincoln Electric 9SS17056 THERMOSTAT HEAT SINK S17056 Sale Price: $24.74 Original Price: $28.45 THERMOSTAT HEAT SINK PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1 Add To Cart Added! THERMOSTAT HEAT SINK PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1