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Ohio
Hydronics Contractor

Apply for the License

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

Exam Administrator
International Code Council
Contractor Examination Services Dept.
900 Montclair Road
Birmingham, AL  35213
(877) 783-3926
Ohio Exam Information
Exam Type
OPEN  BOOK
Exam Content
Subject Area # of Questions
Water Supply Treatment and Feed 5
Fuels and Firing Methods 4
General Code Application and Venting 14
Piping, Pumps and Valves 11
Controls and Control Systems 9
Maintenance and Repairs 3
Tests and Inspections 4

Total Number of Test Questions: 50
Time Allowed (hours) 2.5
Passing percentage 70%

In Ohio you must also pass a Business and Law Exam unless you are already a licensed contractor who is adding a classification to your license.

25% Discount Notice

Recommended (permitted) Reference Books
1. Ohio Administrative Code, Chapter 4104:4, Ohio Construction Industry Licensing Board. Doc Link
2. International Mechanical Code, 2003, International Code Council. -OR- Ohio Mechanical Code, 2005 Edition.
3. Boiler Operators Guide, 4th Edition, Anthony L Kohan.
4. Steam Plant Operations, 8th Edition, Everett B Woodruff, Herbert B Lammers.
5. Modern Hydronic Heating for Residential and Light Commercial Buildings, 2nd Edition, 2004, John Siegenthaler.

NOTE:  The correct answers to the exam questions are based on the national codes, and not the state amendments.

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 18-Jun-2007

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