To become a licensed Boiler, Steamfitting and Process Piping Contractor in the state of Arizona, you are required to pass an open-book exam. We offer the books, tabs, and a fully online and inclusive educational course to prepare you to sit for the C-1, C-4 Contractors exam. @HomePrep is a National Leader in online education. With over 100,000 satisfied students and a course catalog of over 1,000 classes, we are here to help you - Invest in Yourself.
About This License
Arizona C-1/C-4 (CR-4)
This classification includes the installation, alteration, and repair of steam and hot water systems and boilers, including chimney connections, flues, refractories, burners, piping, fittings, valves, thermal insulation, and accessories; fuel and water lines from the source of supply to boilers; process and specialty piping and related equipment; pneumatic and electrical controls. If necessary, a new circuit may be added to the existing service panel or sub-panel. Excluded is the installation of a new service panel or subpanel.