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Section 608 of the Federal Clean Air Act requires that all persons who maintain, service, repair or dispose of appliances that contain ozone depleting refrigerants be certified in proper refrigerant handling techniques. These preparatory resources are clear and concise, making it easy for HVACR professionals to prepare for, and pass, the Universal Exam! This ABC CraftMasters training course is taught in-person with online, closed-book testing.

In the 32-hour, 3-day class, participants develop a working knowledge of the causes and principles of backflow and backflow prevention. Recognizing proper backflow prevention assembly application and operation is stressed. Complete understanding and the ability to perform accepted field-test procedures for all backflow prevention assemblies is required for successful completion.

In the 32-hour, 3-day class, participants develop a working knowledge of the causes and principles of backflow and backflow prevention. Recognizing proper backflow prevention assembly application and operation is stressed. Complete understanding and the ability to perform accepted field-test procedures for all backflow prevention assemblies is required for successful completion.