The National Fire Protection Association
NFPA Code - 19.2.3     2013


International Code Council
International Mechanical Code - 607.4     2021
International Building Code - 717.4     2021


Ohio Board of Building Standards
Ohio Mechanical Code - 607.4     2024
Ohio Building Code - 717.4     2024


(State) Board of Building Standards
(Verify with your state for code compliance)
(State) Mechanical Code - 607.4     (Year)
(State) Building Code - 717.4     (Year)


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