35
Upflow / Horizontal Furnace
Blower Door Switch
Burner Assembly
Flame Sensor
Gas Manifold
Gas Valve
Igniter
Inducer
Assembly
Pressure Switch
Roll-Out Switch
Transformer
Blower
Assembly
Control Board
Main Air
Limit Switch
Figure 20. Component Locations
Comb
ustion
Tube
Gas Manifold
Gas Valve
Inducer Assembly
Control Board
Pressure Switch
Transformer
Blower Assembly
(behind blower panel)
Burner
Assembly
Flame
Sensor
Roll-Out
Switch
Igniter
Main Air Limit Switch
Blower Door Switch
(behind blower panel)
Downflow Furnace