Lincoln Electric 9SM6790-100 M6790-100 TRANSFORMER & THERMOSTAT ASBLY AC-1500 Sale Price: $526.27 Original Price: $605.21 TRANSFORMER & THERMOSTAT ASBLY AC-1500 PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1 Quantity: Add To Cart Added! TRANSFORMER & THERMOSTAT ASBLY AC-1500 PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1