Parts List - Bosch 520-HN-N User Instructions

Interior components and diagram parts list
8.3

Parts list

Item
1
2
3
4
5
6
7
8
10
11
12
13
13
14
15
16
17
18
19
19
20
20
21
22
22
23
24
25
26
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
53
54
Table 5
26
Description
Front cover
Shield
Trade mark badge
Flow control knob
Power adjustment knob
Draft Diverter
Exhaust pipe union Ø128
Angle bracket
Heat exchanger
Hydrogenerator
Cold water pipe
Main burner NG
Main burner LP
Connector
Pilot burner
Electrode/sensor group
Ignitor bracket
Pilot screen
Gas valve LP
Gas valve NG
Pilot orifice LP
Pilot orifice NG
Microswitch
Gas pressure regulator LP
Gas pressure regulator NG
Water valve
Watervalve pushrod
Diaphragm
Inlet water connection
Selector screw
Ignition unit
Cable
Flue gas sensor
Heat exchanger washer
Threaded bushing
Connector
Water Filter
Outlet Hose
Water connection clip
Plunger
Volumetric water governor
ECO/temperature limiter
Temperature limiter/ECO
Venturi
Hot water pipe
Gas supply pipe
Cover
Clip
Protection shield
Wire form spring
Pilot valve
Wire form spring
Servovalve
Wire form spring
Inlet Hose
Wire form spring (10x)
Protection shield
Reference
8 705 431 415 0
8 705 506 912 0
8 701 103 135 0
8 702 000 297 0
8 702 000 295 0
8 705 505 442 0
8 705 504 046 0
8 708 003 192 0
8 705 406 386 0
8 707 406 095 0
8 700 715 109 0
8 708 120 620 0
8 708 120 621 0
8 705 209 056 0
8 708 105 655 0
8 708 107 013 0
8 701 300 010 0
8 700 507 066 0
8 707 011 922 0
8 707 021 011 0
8 708 200 321 0
8 708 200 322 0
8 707 200 020 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
8 707 207 272 0
8 704 404 060 0
8 707 206 446 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
8 707 206 435 0
8 708 205 279 0
8 700 705 178 0
8 700 715 351 0
8 705 500 105 0
8 701 300 015 0
8 701 000 397 0
8 704 705 030 0
8 708 501 249 0
8 704 705 025 0
8 708 501 250 0
8 704 705 024 0
8 700 703 114 0
8 704 705 029 0
8 701 000 414 0
6 720 644 942