Gas Furnace Components

Front

A gas furnace heats what?

Back

air

Front

Within the furnace are burner safeties. Are these primary or secondary voltage?

Back

Secondary

Front

The roll-out safety

Back

monitors heat near the burners

Front

What component is used to light the gas as it enters the burner?

Back

Hot Surface Igniter

Front

What component prevents the furnace from operating without the furnace panels installed?

Back

Door Switch

Front

Which voltage is the Primary? Options: 120 volts, 24 volts

Back

120 volts

Front

Which component monitors the air temperature near the heat exchanger?

Back

High Limit Switch

Front

After the inducer motor starts, what needs to close for the sequence to continue?

Back

Negative Pressure Switch

Front

What is the purpose of the inducer motor?

Back

Draws air through the heat exchanger

Front

What component is this?

Back

High Limit