Water boiler components

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SVF - 725 Water boiler components Drawing
Index
Part No.
1
1
Stainless steel heat exchanger
2
2
Burner/heat exchanger cover plate
3
3
Blower
4
4
Control Module
5
5
Transformer
6
6
Ignition transformer
7
7
ON/OFF switch
8
8
Automatic gas valve
9
9
Manual ball gas valve with pressure port
10
10
Air vent - Automatic air vent
11
11
Electrical entrance snap-in covers
12
12
High gas pressure switch
13
13
Low gas pressure switch
14
14
Air pressure switch
15
15
Paired Minimum Air Flow Switches
16
16
Low water cutoff Shown in Top View
17
17
Premix gas burner Not shown
18
18
Ignition electrode
19
19
Flame sense rod
20
20
Flame inspection windows
21
21
Water outlet pipe System supply
22
22
Water return pipe System return
23
23
Gauge port Not shown
24
24
Relief valve nipple Not shown
25
25
Temperature sensor port - outlet water temperature
26
26
Temperature sensor port - inlet water temperature
27
27
Flue temperature port sensor Not shown
28
28
Gas connection - 1-1/4" MNPT
29
29
Vent connection
30
30
Jacket panels
31
31
Boiler top panel
32
32
Casters Used for locating the boiler only
33
33
Leveling legs Extended after the boiler is in position
34
34
Heat exchanger drain connection
35
35
Condensate trap
36
36
ASME rating plate
37
37
Air inlet adapter
38
38
Silencer
39
39
Mixer
40
40
Wind Detection Switch
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