The Miller Electric Water-Cooled Thread-Lock TIG Torch Adapter (Part 225028) is a genuine OEM torch accessory engineered to connect water-cooled TIG torches to compatible Miller welders with a 7/8" thread-lock style connection. This adapter is designed for use with Miller Maxstar and Dynasty 700 series machines, allowing you to connect Weldcraft™ water-cooled torches such as WP12, WP18, WP20, WP24W, WP25, WP27, CS310 and CS410. It provides a secure, leak-resistant connection for both shielding gas and cooling water, ensuring stable performance and extended torch life in professional TIG welding applications.