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Journeyperson Hydronics with Gas

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Plumbing and Mechanical Systems Board
Iowa Department of Health

321 East 12th Street
Des Moines, IA 50319
Phone: (515) 281-7689
Plumbing and Mechanical Licensing Link

Exam Administrator

Kirkwood Community College
6301 Kirkwood Blvd SE
Cedar Rapids, IA  52406
Phone: (319) 398-7768 or (319) 398-5529
Candidate Information
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Exam Type


Exam Content

Subject Areas% of
Water Supply Treatment and Feed7
Fuels and Firing Methods17
General Code18
Piping, Pumps, Valving16
Controls and Control Systems16
Maintenance and Repairs8
Tests and Inspections7
Refrigeration and Turbines11
Total number of test questions:
Time allowed (hours):

Books Allowed in the Exam

International Mechanical Code, 2018, ICC
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Boiler Operator's Guide, 4th Edition, Anthony L Kohan
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NFPA 54: National Fuel Gas Code, 2018, NFPA
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Steam Plant Operations, 7th Edition, Woodruff and Lammers
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