The official exam bulletin is published and maintained by PSI. Bulletin content (subjects covered in the exam), time allowed and passing score are detailed in this document. Direct links to bulletin PDFs change regularly. Always set your “FAVORITE” or “BOOKMARK” to the LANDING PAGE we have linked above. Candidates should always review the current exam information on the PSI website before submitting their license application.
Installation of hydronic heating and cooling equipment and systems, installation of process piping, controls and components, combustion air, gas piping, venting and knowledge of codes and standards. This is an open book exam. Installation of residential boilers utilizing both natural, propane gas and fuel oil. Installed boilers ranging in size from 60,000 Btu's to 1,000,000 Btu's. Installation of radiant baseboard and in floor hydronic piping in both commercial and residential applications utilizing the following materials: welded steel, threaded schedule 40, copper, PEX with Pro-Press, brazed and soldered joints.
NOTICE: The published PSI exam bulletins for Maintenance & Alteration (M&A) trades may not reflect the most current editions of referenced study materials. In some cases, listed books and codes are several years old.
Because these exams are CLOSED BOOK, no reference materials are permitted in the testing center. The materials listed in PSI bulletins are provided for study guidance only and are not required for exam entry.
The resources and links provided on this site may include more current editions (including recently adopted ICC codes) to better reflect current industry standards and practices.
Before purchasing any materials, you should verify that your selected resources align with the current PSI exam content outline and topic areas.
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