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Parts List - Bosch Model GWH 425 User Manual

Indoor model flow modulated with standing pilot suitable for heating potable water only -
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Interior components and diagram parts list
8.3

Parts list

Item
1
2
3
4
5
6
7
8
9
10
10
11
12
13
14
15
16
17
17
18
19
20
20
21
22
22
23
24
25
26
27
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
Table 5
26
Description
Front cover
Shield
Temp control knob
Draft Diverter
Exhaust pipe union Ø128
Angle bracket
Trade mark badge
Heat exchanger
Cold water pipe
Main burner NG
Main burner LP
Connector
Piezo clip (x10)
Sparking plug
Pilot gas pipe
Tube (x10)
Pilot screen
Gas valve LP
Gas valve NG
Throttle housing
Washer (x10)
Pilot injector LP
Pilot injector NG
Pilot valve
Poppet valve head (2) NG
Poppet valve head (3) LP
Electromagnet
Electromagnet cap
Valve operation housing
Guide plate
Gas pressure regulator LP
Gas pressure regulator NG
Water valve
Watervalve pushrod (10x)
Diaphragm (L)
Inlet water connection
Selector screw
Piezo igniter
Fixing bracket
Ignition lead
Thermocouple
Flue gas safety device
Washer (x10)
Heat exchanger washer
Threaded bushing
Connector
Water filter
Outlet Hose
Water connection clip
Plunger
Volumetric water governor
ECO
Temperature limiter
Venturi
Hot water pipe
Gas supply pipe
Cover
Reference
8 705 431 246 0
8 705 506 817 0
8 702 000 295 0
8 705 505 442 0
8 705 504 046 0
8 708 003 192 0
8 701 103 135 0
8 705 406 275 0
8 700 715 061 0
8 708 120 618 0
8 708 120 619 0
8 705 209 062 0
8 701 201 019 0
8 748 107 089 0
8 700 707 369 0
8 740 609 002 0
8 700 507 067 0
8 707 021 396 0
8 707 021 395 0
8 705 502 067 0
8 701 004 044 0
8 708 200 326 0
8 708 200 327 0
8 708 500 301 0
8 708 500 358 0
8 708 500 359 0
8 707 201 028 0
8 703 305 283 0
8 708 008 069 0
8 701 000 380 0
8 707 406 083 0
8 707 406 084 0
8 707 006 344 0
8 703 204 051 0
8 700 503 084 0
8 700 306 110 0
8 708 500 304 0
8 708 108 051 0
8 701 302 181 0
8 704 401 040 0
8 707 202 083 0
8 707 206 445 0
8 701 004 043 0
8 700 103 658 0
8 700 306 148 0
8 700 306 187 0
8 700 507 059 0
8 700 703 139 0
8 701 201 020 0
8 703 502 039 0
8 705 705 034 0
8 707 206 017 0
8 707 206 132 0
8 708 205 279 0
8 700 715 178 0
8 700 715 351 0
8 705 500 105 0
6 720 608 034

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Protankless gwh-425-pn-nProtankless gwh-425-pn-l