Technical Literature

3
GAS FURNACE COMPONENTS
LOCATION OF FURNACE COMPONENTS
Downflow Gas Furnace Components
Upflow/Horizontal Gas Furnace Components
AIR FLOW
1 2 3
4
5 6 7
8
Burner
Assembly
Finish
Flange
Flame
Sensor
Igniter
Roll-Out
Switch
Gas Valve
Furnace Control Board
Pressure Switches
(Condensate)
Transformer
Motor Control Board
Blower Assembly
Motor Choke
(C & D cabinets only)
Blower Door Switch
Inducer Assembly
Pressure Switches
(Inducer)
Motor Control Box
Inducer Limit Switch
Main Air Limit Switch
UPFLOW / HORIZONTAL FURNACE (*TC SERIES)
AIR FLOW
1 2 3
4
5 6 7
8
Burner
Assembly
Flame Sensor
Roll-Out
Switch
Finish Flange
Blower Assembly
(behind blower panel)
Blower Door Switch
(behind blower panel)
Motor Choke
(C & D cabinets only)
Gas
Manifold
Gas Valve
Igniter
Inducer Assembly
Vent Limit Switch
Main Air Limit Switch
Furnace Control Board
Motor Control Board
Pressure Switches
Transformer
DOWNFLOW FURNACE (*TL SERIES)