This element is compatible with Quick Mill Heat Exchangers such as the original Vetrano HX and the Andreja, as well as the Rocket R58/R60 (Steam Boiler) and Vesuvius (Steam Boiler)
To install this element, we recommend using a 1 7/16" socket and an impact wrench. Whenever changing the element, it's a good idea to change the gasket at the same time, which you can find here.