Construction Trade Exam Research Area

Journeyperson Hydronics with Gas

Apply for the License

Plumbing and Mechanical Systems Board
Iowa Department of Health

321 East 12th Street
Des Moines, IA 50319
Phone: (866) 227-9878
Iowa Plumbing and Mechanical Licensing

Exam Administrator

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

Exam Type


Exam Content

Subject Areas % of
Water Supply Treatment and Feed 7
Fuels and Firing Methods 17
General Code 18
Piping, Pumps, Valving 16
Controls and Control Systems 16
Maintenance and Repairs 8
Tests and Inspections 7
Refrigeration and Turbines 11

Total number of test questions: 75
Time allowed (hours): 2.0


Books Allowed in the Exam

1. International Mechanical Code, 2015, ICC Buy at Amazon
2. Boiler Operator's Guide, 4th Edition, Anthony L Kohan Buy at Amazon
3. NFPA 54: National Fuel Gas Code, 2015, NFPA Buy at Amazon
4. Steam Plant Operations, 7th Edition, Thomas F. Lammers Buy at Amazon
Study materials are currently NOT available for this exam

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