CGA 2.16 : 0

PART 1 CONSTRUCTION
  1.1 Scope
  1.2 General construction
  1.3 Assembly
  1.4 Accessibility
  1.5 Combustion air
  1.6 Materials
  1.7 Joints in heating elements
  1.8 Main burners
  1.9 Primary air control
  1.10 Orifices and orifice fittings
  1.11 Automatic ignition systems
  1.12 Automatic pilot ignitors
  1.13 Gas lines
  1.14 Manual gas valves
  1.15 Gas appliance pressure regulators
  1.16 Automatic valves
  1.17 Bleeds and vents
  1.18 Adjustment of minimum input rating
  1.19 Electrical equipment and wiring
  1.20 Draft hoods
  1.21 Instructions
  1.22 Marking
  1.23 Field convertibility
PART 2 PERFORMANCE
  2.1 General
  2.2 Test gases
  2.3 Test pressure and burner adjustments
  2.4 Combustion
  2.5 Burner operating characteristics
  2.6 Pilot burners and safety shut-off devices
  2.7 Direct ignition systems
  2.8 Automatic pilot igniters
  2.9 Thermal efficiency
  2.10 Nonload-bearing flue gas baffle temperatures
  2.11 Allowable heating element and load-bearing flue gas
       baffle temperatures
  2.12 Wall, floor, and ceiling temperatures
  2.13 Flue gas temperature
  2.14 Draft hoods
  2.15 Draft tests for appliances not equipped with a draft
       hood
  2.16 Manual gas valves
  2.17 Gas appliance pressure regulators
  2.18 Automatic valves
  2.19 Manifold and control assembly capacity
  2.20 Heaters for outdoor installation
PART 3 DEFINITIONS
APPENDIX A Classification of markings
APPENDIX B Marking material adhesion
APPENDIX C SI (Metric symbols)