MAIN STRUCTURE COMPONENTS
1 Front panel
2 Gas valve
3 Gas pressure switch
4 Syphon pressure switch
5 Water pressure sensor
6 Pressure gauge
7 Return sensor
8 System return manifold
9 Heating unit drain valve
10 Foot
11 Wheel
12 Condensate drain syphon
13 Condensate collection tank
14 Flue exhaust connector
15 Gas intake hose
16 Heat exchanger
17 Inspection and cleaning access panel
18 Automatic purge valve
19 Supply sensor
20 System supply manifold
21 Top panel
22 Burner
23 Blower
24 Ignition electrodes
25 Flame detector electrode
26 Electrical connection terminal board
27 Side panels
28 Combustion air intake
29 Heating unit circuit board enclosure
30 Control panel
1
2
3
24
25
27
12
14
16
17
22
30
4
5
7
6
8
9
10
11
12
13
27
28
28
18
19
20
23
9
26
29
2
23
14
15
16
18
30
18
19
20
21
22
23
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GENERAL
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