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Fig. Water heater BFC 28, 30, 50, 60
16
18
20
30
21
17
16
18
20
30
21
17
Fig. Water heater BFC 80, 100, 120
18
20
21
17
44
7
4
6
28
10
11
13
59
12
14
15
2
7
4
6
30
28
3
16
12
13
14
15
24
29
2
5
1
19
24
5
1
Installation, Maintenance and Service part
1.
Cover
2.
Hot water outlet
3.
Electrical connector block
4.
Controller
5.
Pressure switch
6.
Control panel
58
7.
Temperature sensor T
8.
Combustion chamber
3
9.
Anode
9
10.
Tank
11.
Heat exchanger
8
12.
Inspection and cleaning
opening
13.
Temperature sensor T
14.
Cold water inlet
22
15.
Drain valve
16.
Gas control valve
17.
Burner
18.
Fan
19.
Air supply hose
20.
Hot surface igniter
23
21.
Flame probe
22.
Chimney pipe
23.
Condens trap
24.
Insulation layer
19
28.
Potentiostat
29.
Base
58
30.
Venturi
58.
Flue gas test point
59.
Pressure-reducing valve
9
8
10
11
22
23
1
2
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