Construction Trade Exam Research Area

Master 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) 280-1521
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

Exam Type


Exam Content

Subject Areas % of
Water Treatment and Feed 6
Fuels and Firing Methods 14
General Code 10
Startup and Shutdown 6
Piping, Pumps, Valving 10
Controls and Control Systems 15
Maintenance and Repairs 15
Tests and Inspections 9
Refrigeration 10
Turbines 5

Total number of test questions: 100
Time allowed (hours): 4.0

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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