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  • Jun 24, 2009, 10:04 PM
    smsidoti
    State of Ohio hydronic exam
    --------------------------------------------------------------------------------

    When running a water boiler pipe through a floor what is the minimum distance the pipe must go thu the floor and what is the minimum clearance around the pipe?
  • Jun 25, 2009, 03:08 AM
    hvac1000
    I would like to suggest these manuals. Read and study before the test.

    Ohio OCILB Hydronics Exam Books


    Also check this out

    https://www.prometric.com/NR/rdonlyr...90213FINAL.pdf

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