ORC Chapter 4104 (boiler and pressure vessel safety) with OAC 4101:4 (code editions could not be confirmed on the primary page). Enforced by Dept of Commerce, Division of Industrial Compliance (boiler section; certificates of operation, contractor registration, installation permits); inspections by general or special inspectors holding an Ohio commission; Board of Building Standards adopts the technical rules. Checked on the primary source; the state record was last reviewed 2026-11-12.
ORC 4104.11: power and high-pressure boilers are inspected internally and externally at intervals of not more than one year (biennial if approved); low-pressure boilers externally yearly and internally every three years, cast iron excepted; process boilers every three years. The state boiler division confirms.
Source: primary document
Statewide layer. County and city amendments sit on top; confirm the local office for the address.
In force, nothing scheduled
There is no federal boiler certificate; the state program below is the whole obligation, with the ASME Boiler and Pressure Vessel Code and the National Board Inspection Code as the referenced standards.
These apply when the building has the equipment or fits the type named. The frequency is the standard one; your local official can set a stricter one, so confirm it for the address.
ORC Chapter 4104 (boiler and pressure vessel safety) with OAC 4101:4 (code editions could not be confirmed on the primary page). ORC 4104.11: power and high-pressure boilers are inspected internally and externally at intervals of not more than one year (biennial if approved); low-pressure boilers externally yearly and internally every three years, cast iron excepted; process boilers every three years. The state boiler division confirms.
Dept of Commerce, Division of Industrial Compliance (boiler section; certificates of operation, contractor registration, installation permits); inspections by general or special inspectors holding an Ohio commission; Board of Building Standards adopts the technical rules.
Nothing is scheduled. The rule above stays in force until the state adopts a newer edition or amends the program; AHJ Radar re-checks the source weekly.
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