Bosch Model GWH 425 - Manual (Page 26)

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