Throughout your career as an HVAC/R mechanic you will be tasked with installing or repairing different types of piping systems. In this unit we will be discussing the most widely used system: copper tubing. Copper tubing and its associated fittings are used in the installation or repair of an HVAC/R system. Depending on the installation and its requirements the two methods used to connect copper tubing and fitting together is soft soldering and silver brazing.Click Here to Download