| 3 Phase |
| Absolute Zero |
| AC |
| adjusting outlet pressure |
| AFUE |
| air (components of) |
| air filtration |
| air gas ratio |
| air proving switch |
| Alternating Current |
| amperage,
also |
| Annual Fuel Utilization Efficiency |
| anticipation |
| appliance regulator |
| atmospheric burner |
| atmospheric venting |
| atom |
| barometer |
| Barometric Draft Control |
| bellows meter |
| bi-metal controls,
also |
| blockage switch |
| blue flame |
| Bourdon Tube Gauge |
| Boyle's Law |
| British Thermal Unit |
| BTU |
| Bunsen flame |
| burner types |
| Calorie |
| capacitor |
| Capacitor Start Capacitor Run Motor |
| Capacitor Start Induction Run Motor |
| carbonizing flame |
| Celsius |
| ceramic capacitor |
| Charle's Law |
| clocking meters |
| combination gas vave,
also |
| combustion |
| combustion air |
| combustion efficiency testing |
| condensation |
| conduction (electrical) |
| conduction (thermal) |
| contactor |
| controls (electrical) |
| Conversion Application |
| Coulomb |
| CSIR |
| CSCR |
| current relay |
| Daulton's Law |
| DC |
| dial type index |
| dielectric |
| Direct Current |
| Draft Diverter |
| electrical measurements |
| electrical schematic |
| electrical symbols |
| electrical wiring diagram |
| electricity |
| Electro-Magnetism |
| electrolytic capacitor |
| Electromotive Force |
| EMF |
| Fahrenheit |
| fittings |
| flammability |
| flame characteristics |
| flame conditions |
| flame diagnostic chart,
also |
| flame rectification |
| flame safeguard systems |
| flame speed |
| flame stability |
| flame temperature |
| Gas Laws |
| gases |
| gauge |
| hard flame |
| heat |
| heating anticipator |
| heating value |
| HEPA |
| Hertz |
| Hop Scotch Method (troubleshooting) |
| Hot Surface Ignition |
| HSI |
| hygrometer |
| human comfort zone |
| humidity |
| ignition temperature |
| impedance |
| Imperial Units |
| induced draft |
| Integral Draft Diverter |
| insulation (electrical) |
| insulation (thermal) |
| Kelvin |
| ladder schematic |
| Latent Heat |
| limits of flammability |
| locked rotor amperage |
| LRA |
| luminous flame,
also |
| magnetism |
| Make Up Air Units |
| MegOhm |
| Methane |
| MFD |
| molecule |
| motor types |
| MUA Units |
| neutral flame |
| odometer type index |
| Ohm,
also |
| Ohm's Law |
| oriface types |
| over firing |
| oxidizing flame |
| Oxygen Percentage Graph |
| Oxygen Percentage Graph |
| Perfect Combustion |
| Permanent Split Capacitor Motor |
| pipe sizing |
| piping |
| piping practises (IMP),
SI |
| potential relay |
| powerpile |
| pressure,
also |
| primary air shutters |
| primary combustion air |
| Propane |
| PSC |
| PSC |
| Psychrometrics |
| PTC |
| PTCR |
| Rankine |
| reducing flame |
| regulator |
| relay |
| resistance |
| Roof Top Package Unit |
| rotary meter |
| run capacitor |
| safety |
| Sensible Heat |
| service regulator |
| set back |
| Shaded Pole Motor |
| Specific Gravity,
also |
| Specific Heat |
| spillage |
| Split Phase Motors |
| SSE |
| Standard Conditions |
| Start Capacitor |
| Start Gear |
| starter |
| Steady State Efficiency |
| Stoichiometric Graph |
| tackified |
| Temperature |
| Temperature Converter |
| thermocouple |
| thermostats - low voltage |
| three phase motors |
| time delay fuse |
| time delay relay |
| Ton |
| transformer |
| troubleshooting |
| Turn Down Ratio |
| Vent Limiting Device |
| Vent Limiting Oriface |
| venting types |
| voltage, |
| yellow flame |