Construction Trade Exam Research Area

Hydronics Contractor

Apply for the license

Ohio Construction Industry Licensing Board
6606 Tussing Road, P.O. Box 4009
Reynoldsburg, OH 43068-9009
Phone: (614) 644-3493
Licensing Board Information Page

Exam Administrator

13614 Progress Blvd.
Alachua, FL  32615
Phone: (866) 720-7768
Candidate Information Page

Exam Type


Exam Content

Subject Areas # of
General Knowledge 16
Heating Equipment 10
Piping, Pumps, Valves 10
Fuel Gas and Oil 1
Venting 5
Controls 5
Tests and Inspections 3

Total number of test questions: 50
Time allowed (hours): 2.5
The state of Ohio also requires that you take and pass a written Business and Law exam for this trade.

Go to Business and Law Offering

Books Allowed in the Exam

1. Ohio Administrative Code, Chapter 4104:4 - Boiler and Unfired Pressure Vessel Rules, 2009 (Revised 2013), Ohio Division of Industrial Compliance. Doc Link
2. Ohio Mechanical Code, 2011 Edition (with 2016 updates), ICC. Doc Link
3. Boiler Operator's Guide, 4th Edition, 1998, Anthony L Kohan. Buy at Amazon
Study materials are currently NOT available for this exam

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