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LOCATION OF MODULATING FURNACE COMPONENTS
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.
Motor Choke
(C and D cabinets only)
14.
Motor Control Board
15.
Motor Control Box
16.
Pressure Switches
17.
Transformer
16
11
12
2
15
13
*MQ 97%+ Upfl ow/Horizontal Gas Furnace
6
5
8
4
3
10
9
7
17
1
14
11
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