Furnace Parts

2. (Monitors the burner to ensure a flame is present for safety.)
4. (a part of a home's ventilation system that pulls air back into the HVAC system to be reheated or cooled.)
6. (a safety device that turns off the gas supply to a furnace if the flame goes out.)
7. (The component that starts the combustion process by igniting the gas.)
9. (a part of a gas furnace that controls the flow of gas to the burners.)
10. (Shuts off the furnace if it overheats to ensure safety.)
11. (shuts the furnace down if it senses negative pressure created by the draft inducer motor.)
12. Motor (Ensures proper airflow of combustion gases out of the furnace.)
13. (Measures room temperature and signals the furnace to turn on or off.)
14. (Prevents dust and debris from entering the furnace and ductwork.)
15. (Where the gas and air mix and combustion takes place.)
16. (Regulates the flow of natural gas or propane into the furnace.)

1. (Pushes heated air through the ductwork and into the rooms of a building.)
3. (where conditioned air is sent into a dwelling to heat or cool the space.)
5. (Functions as the brain of the furnace.)
8. (Transfers heat from the combustion gases to the air without mixing them.)
9. (device used to stop the flow of gas to the furnace for installation or service.)