Low Pressure Boilers
Department of Labor
Subpart 4-1 General ProvisionsSubpart 4-2 Certified Boiler InspectorsSubpart 4-3 Authorized Insurance CompaniesSubpart 4-4 Inspection of BoilersSubpart 4-5 Specific Requirements for Low Pressure Heating System BoilersSubpart 4-6 Installations, Repairs and Replacement of Low Pressure Heating System BoilersSubpart 4-7 Heat Generating Apparatus--General ProvisionsSubpart 4-8 Heat Generating Apparatus--Special ProvisionsSubpart 4-9 Flame Safeguard Controls for Gas-Fired BoilersSubpart 4-10 General Requirements for Oil BurnersSubpart 4-11 Flame Safeguard Control Requirements for All Oil Burners Installed Before March 31, 1965Subpart 4-12 Flame Safeguard Control Requirements for Oil Burners Installed After March 31, 1965Subpart 4-13 Special Requirements for Low Pressure Steel Plate BoilersSubpart 4-14 Special Requirements for Cast-Iron BoilersSubpart 4-15 Hydrostatic TestsSubpart 4-16 (Repealed)