SECTION IV – HEATING BOILERS AND WATER HEATERS H, HLW, HV and PRT Certificates

(H) Heating Boilers/Cast Iron Sectional Heating Boilers

Heating Boilers Cast Iron Sectional Heating Boilers

H-1 Heating boilers except cast iron and cast aluminum at the above location only

 H-2 Heating boilers except cast iron and cast aluminum at the above location only (This authorization includes mass produced heating boilers)

 H-3 Heating boilers except cast iron and cast aluminum at the above location only (This authorization does not cover welding, brazing or fusing)

 H-4 Heating boilers except cast iron and cast aluminum at the above location and field sites controlled by the above location

 H-5 Heating boilers cast iron only at the above location only (assembly)

 H-6 Heating Boilers except cast iron and cast aluminum at field sites controlled by the above location

 H-7 Heating boilers except cast iron and cast aluminum at the above location only (This authorization includes mass produced heating boilers and does not include welding, brazing or fusing)

 H-8 Heating boilers cast iron only at the above location only (foundry)

 H-9 Heating boilers cast iron only at the above location only (foundry and assembly)

 H-10 Heating boilers cast iron only at the above location only (Installation of nameplate only, does not include assembly and hydrostatic test)

 H-11 Heating boilers, cast aluminum only, at the above location only (assembly)

 H-12 Heating boilers, cast aluminum only, at the above location only (foundry)

 H-13 Heating boilers, cast aluminum only, at the above location only (foundry and assembly)

 H-14 Heating boilers, cast aluminum only, at the above location only (installation of nameplate only, does not include assembly and hydrostatic test)

 H-15 Heating boilers, cast iron and cast aluminum at the above location only (assembly)

 H-18 Heating boilers, cast iron and cast aluminum at the above location only (installation of nameplate only, does not include assembly and hydrostatic test)

 H-19 Heating boilers, cast iron (foundry and assembly) and cast aluminum (assembly) at the above location only

 H-20 Heating boilers, cast aluminum (assembly) and cast iron (installation of nameplate only, does not include assembly and hydrostatic test) at the above location only

(HLW) Lined Potable Water Heaters

Lined Potable Water Heaters HLW-1 Potable water heaters at the above location only

 HLW-2 Potable water heaters at the above location only (This authorization includes mass produced lined potable water heaters)

 HLW-3 Potable water heaters at the above location and field sites controlled by the above location

 HLW-4 Potable water heaters at the above location only (This authorization does not cover welding, brazing or fusing)

 HLW-6 Potable water storage tanks at the above location only (This authorization includes mass produced potable storage tanks)

 HLW-9 Potable water heaters and potable water storage tanks at the above location only

 HLW-10 Potable water heaters and potable storage tanks at the above location only (This authorization includes mass produced potable water heaters and potable water storage tanks)

 HLW-11 Potable water heaters and potable water storage tanks at the above location and field sites controlled by the above location

 HLW-13 Potable water heaters at the above location only (This authorization includes mass produced lined potable water heaters and does not include welding, brazing or fusing)

(HV) Heating Boiler Safety Valves

Heating Boiler Safety Valves

HV-1 Manufacture of heating boiler safety valves and safety relief valves at the above location only

 HV-2 Manufacture of heating boiler safety valves and safety relief valves at the above location only (This authorization does not cover welding, brazing or fusing)

(PRT) Parts Fabrication

PRT-2 Fabrication of parts without design responsibility for ASME Section IV at the above location only

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