Boiler and Unfired Pressure Vessel Law (as amended by Act 104 of 2013) + 34 Pa. Code Ch. 3a Boiler and Unfired Pressure Vessel Regulations. Enforced by L&I Boiler Division (Bureau of Occupational and Industrial Safety); inspections by Division staff or commissioned insurance inspectors; Division issues Certificates of Operation, posted in the boiler room. Checked on the primary source; the state record was last reviewed 2026-11-12.
Power and process boilers: internal/external every 12 months (extendable if water-treatment conditions met). Low-pressure steam: 24 months. Steel hot-water heating: external 24, internal 48. Hot-water supply: external 24. Unfired pressure vessels: 36 months.
Source: primary document
Statewide layer. County and city amendments sit on top; confirm the local office for the address.
In force; no pending rulemaking found
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.
Boiler and Unfired Pressure Vessel Law (as amended by Act 104 of 2013) + 34 Pa. Code Ch. 3a Boiler and Unfired Pressure Vessel Regulations. Power and process boilers: internal/external every 12 months (extendable if water-treatment conditions met). Low-pressure steam: 24 months. Steel hot-water heating: external 24, internal 48. Hot-water supply: external 24. Unfired pressure vessels: 36 months.
L&I Boiler Division (Bureau of Occupational and Industrial Safety); inspections by Division staff or commissioned insurance inspectors; Division issues Certificates of Operation, posted in the boiler room.
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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