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Bosch 125B LP Installation And Operating Instructions Manual page 16

Automatic instantaneous type water heaters for use with natural and liquefied petroleum gas
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1
Cover
2
Temperature adjustment knob comp.
3
Temperature adjustment knob
4
Water connections gasket
5
Draft divertor
6
Heat exchanger
7
Hot water pipe
8
Cold water pipe
9
Heat exchanger washer
10
Overheat sensor (ECO)
11
Main burner assembly
Main burner assembly
12
Pilot burner assembly
12a
Pilot air screen
13
Piezo electrode
14
Pilot orifice
"
15
Pilot Tube
16
Thermocouple
17
Burner assembly washer
18
Throttle disc
19
Gas valve
Gas valve
20
Gas supply pipe
21
Electromagnet
22
Thermocable
23
Water valve assembly
24
Water valve repair kit
25
Slow ignition valve
26
Water valve diaphragm
27
Water valve selector screw assembly
28
Water inlet filter
29
Water valve venturi
30
Water valve water governor
31
Water elbow fitting
16
Fig. 12
INTERIOR COMPONENTS DIAGRAM
AND PARTS LIST 125B
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¤
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LPG
NG
¤
¤
¤
NG
LPG
¤
¤
¤
LPG
LPG
NG
¤
¤
¤
¤
¤
¤
¤
¤
¤
¤
¤
¤
8 705 421 025
8 702 000 219
8 702 000 111
8 710 103 043
8 705 505 354
8 705 406 235
8 700 705 556
8 700 705 294
8 710 103 045
8 707 206 040
8 708 120 296
8 708 120 298
8 708 105 337
8 700 507 055
8 708 107 002
8 708 200 005
8 748 200 173
8 700 707 320
8 747 202 083
8 710 103 060
8 700 100 174
8 707 011 463
8 707 011 459
8 700 705 552
8 707 201 012
8 747 202 209
8 707 002 499
8 703 406 178
8 708 503 063
8 700 503 053
8 708 500 251
8 700 507 059
8 708 205 249
8 707 402 021
8 700 703 114

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125b ng