4
Component Identification
1
Gas Valve
2
Gas Line Entrance (Alternate)
3
Pressure Switch
4
Gas Manifold
5
Hot Surface Igniter
6
Rollout Limit
7
Burners
8
Flame Sensor
9
Flue Pipe Connection / “Coupling”
10
Flue Pipe (Internal)
11
Primary Limit
12
Gas Line Entrance
13
Flue Pipe Connection (Alternate)
14
Rubber Elbow
15
Induced Draft Blower
16
Electrical Connection Inlets (Alternate)
17
Coil Front Cover Pressure Tap
18
Coil Front Cover Drain Port
19
Drain Line Penetrations
20
Drain Trap
21
Blower Door Interlock Switch
22
Capacitor
23
Integrated Control Module
(with fuse and diagnostic LED)
24
24-Volt Thermostat Connections
25
Transformer (40 VA)
26
Circulator Blower
27
Auxiliary Limit
28
Junction Box
29
Electrical Connection Inlets
30
Coil Front Cover
Upflow /Horizontal (GULA Models)
BLO
W
ER
C
O
M
P
AR
T
M
EN
T
B
U
R
N
E
R
CO
M
P
ARTM
ENT
1
2
3
4
5
6
7
6
8
9
10
3
12
11
13
14
15
17
18
19
22
23
21
28
24
25
26
27
20
21
20
17
30
*
*
*
*
*
*
*
*
*
16
29
Summary of Contents for GULA
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