Shop espresso machine replacement boilers at 1st-Line Equipment. Browse our selection of espresso machine boilers, steam boilers, coffee boilers, and boiler assemblies for a variety of brands and models. Looking for a boiler that isn’t listed for your specific espresso machine? Visit our Espresso Parts & Diagrams page to find your machine’s parts diagram, identify the correct boiler part number, and search our website for availability. Use the diagrams and product photos to help verify compatibility before ordering.