Pennsylvania Code
Title 34 - LABOR AND INDUSTRY
Part I - Department of Labor and Industry
Chapter 3a - BOILER AND UNFIRED PRESSURE VESSEL REGULATIONS
Subchapter H - SPECIAL INSTALLATIONS
Section 3a.166 - Miniature boilers and kitchen equipment
Current through Register Vol. 54, No. 38, September 21, 2024
(a) A miniature boiler must be manufactured under the ASME "S," "H" or "M" Code. A boiler manufactured under ASME "S" and "H" Code must be stamped with a National Board registration number.
(b) Clearance requirements contained in § 3a.36 (relating to clearances) do not govern a miniature boiler or kitchen equipment if all pressure containing parts with appurtenances are visible for inspection.
(c) Miniature boiler controls must comply with ASME/CSD1.
(d) The sight glass and pressure gauge of a miniature boiler installed in a cabinet must always be visible during operation.
(e) Discharge from safety valves must be piped to a safe point.
(f) Burners for gas-fired installations must be AGA approved.
(g) Inspection of miniature boilers and kitchen equipment shall be performed in accordance with § 3a.111(1)-(6) (relating to field inspections).