5
COMPONENT IDENTIFICATION
1
Gas Valve
2
Gas Line Entrance (Alternate)
3
Combustion Air Intake Connection / “Coupling”
4
Hot Surface Igniter
5
Burners
6
Rollout Limit
7
Flame Sensor
8
Flue Pipe Connection / “Coupling”
9
Flue Pipe (Internal)
10
Primary Limit
11
Pressure Switch
12
Gas Line Entrance
13
Rubber Elbow
14
Flue Pipe Connection (Alternate)
15
Induced Draft Blower
16
Electrical Connection Inlets (Alternate)
17
Coil Front Cover Drain Port
18
Drain Line Penetrations
19
Blower Door Interlock Switch
20
24-Volt Thermostat Connections
21
Integrated Control Module
(with fuse and diagnostic LED)
22
Transformer (40 VA)
23
Circulator Blower
24
Auxiliary Limit
25
Gas Manifold
26
Junction Box
27
Coil Front Cover
28
Drain Trap
29
Electrical Connection Inlets
Upflow/Horizontal
8
7
6
5
4
3
2
1
27
26
17
18
24
23
22
21
20
19
18
17
16
15
13
14
12
10
11
9
29
25
28
BLO
W
E
R
CO
M
P
ARTM
E
N
T
BURNE
R CO
M
P
ARTM
E
NT
6
