4
BL
OWER
C
O
MPARTMENT
B
URNER
C
OMPA
RTMENT
1
2
3
4
5
6
7
8
7
9
10
11
3
12
13
14
15
16
17
19
20
21
24
30
25
26
27
28
29
22
21
20
18
32
23
18
31
Component Identification
Upflow/Horizontal
1
Two-Stage Gas Valve
2
Gas Line Entrance (Alternate)
3
Pressure Switch(es)
4
Gas Manifold
5
Combustion Air Intake Connection
6
Hot Surface Igniter
7
Rollout Limit
8
Burners
9
Flame Sensor
10
Flue Pipe Connection
11
Flue Pipe
12
Combustion Air Intake (Alternate)
13
Primary Limit
14
Gas Line Entrance
15
Flue Pipe Connection (Alternate)
16
Rubber Elbow
17
Two-Speed Induced Draft Blower
18
Electrical Connection Inlet (Alternate)
19
Coil Front Cover Pressure Tap
20
Coil Front Cover Drain Tap
21
Drain Line Penetrations
22
Drain Trap
23
Blower Door Interlock Switch
24
Capacitor
25
Two-Stage Integrated Control Module
(with fuse and diagnostic LED)
26
Transformer (40 VA)
27
Circulator Blower
28
Bottom Return Filter Retainer
29
Auxiliary Limit
30
Junction Box
31
Electrical Connection Inlet
32
Coil Front Cover
