ITEM
COMPONENT NAME
1.
Blower Assembly
2.
Blower Door Switch
3.
Burner Assembly
4.
Finish Flange
5.
Flame Roll-Out Switch
6.
Flame Sensor
7.
Furnace Control Board
8.
Gas Manifold
9.
Gas Valve
10.
Igniter
11.
Inducer Assembly
12.
Inducer Limit Switch
13.
Inline Drain Assembly
14.
Motor Choke
(C and D cabinets only)
15.
Motor Control Board
16.
Motor Control Box
17.
Pressure Switches
18.
Transformer
ITEM
COMPONENT NAME
1.
Blower Assembly
Blower Door Switch
2.
(behind blower panel)
3.
Burner Assembly
4.
Finish Flanges
5.
Flame Roll-Out Switch
6.
Flame Sensor
7.
Furnace Control Board
8.
Gas Manifold
9.
Gas Valve
10.
Igniter
11.
Inducer Assembly
12.
Inducer Limit Switch
13.
Inline Drain Assembly
14.
Motor Choke
(C and D cabinets only)
15.
Motor Control Board
16.
Pressure Switches
17.
Transformer
LOCATION OF FURNACE COMPONENTS
17
12
11
14
16
Figure 40. Upfl ow/Horizontal Gas Furnace Components
14
13
12
10
Figure 41. Downfl ow Gas Furnace Components
4
5
8
6
2
1
2
9
8
10
3
9
4
AIR FLOW
AIR
FLOW
7
13
17
18
1
15
15
7
17
16
11
5
6
3
51