Bosch 520-PN-L Specifications download pdf (Page 33)

6 720 644 942 (2014/11)520 HN

Interior components and diagram parts list | 33

9.3 Parts list

Item Description Reference

1 Front cover 8 738 708 498

2 Shield 8 738 708 499

3 Trade mark badge 8 701 103 135 0

4 Flow control knob 8 702 000 297 0

5 Power adjustment knob 8 702 000 295 0

6 Draft Diverter 8 705 505 442 0

7 Exhaust pipe union Ø128 8 705 504 046 0

8 Angle bracket 8 708 003 192 0

10 Heat exchanger 8 705 406 386 0

11 Hydrogenerator 8 707 406 095 0

12 Cold water pipe 8 700 715 109 0

13 Main burner NG 8 708 120 620 0

13 Main burner LP 8 708 120 621 0

14 Connector 8 705 209 056 0

15 Pilot burner 8 708 105 655 0

16 Electrode/sensor group 8 708 107 013 0

17 Ignitor bracket 8 701 300 010 0

18 Pilot screen 8 700 507 066 0

19 Gas valve LP 8 707 011 922 0

19 Gas valve NG 8 707 021 011 0

20 Pilot orifice LP 8 708 200 321 0

20 Pilot orifice NG 8 708 200 322 0

21 Microswitch 8 707 200 020 0

22 Gas pressure regulator LP 8 707 406 083 0

22 Gas pressure regulator NG 8 707 406 084 0

23 Water valve 8 707 006 344 0

24 Watervalve pushrod 8 703 204 051 0

25 Diaphragm 8 700 503 084 0

26 Inlet water connection 8 700 306 110 0

27 Selector screw 8 708 500 304 0

28 Ignition unit 8 707 207 272 0

29 Cable 8 704 404 060 0

30 Flue gas sensor 8 707 206 446 0

Table 13

31 Heat exchanger washer 8 700 103 658 0

32 Threaded bushing 8 700 306 148 0

33 Connector 8 700 306 187 0

34 Water Filter 8 700 507 059 0

35 Outlet Hose 8 700 703 139 0

36 Water connection clip 8 701 201 020 0

37 Plunger 8 703 502 039 0

38 Volumetric water governor 8 705 705 034 0

39 ECO/temperature limiter 8 707 206 017 0

40 Temperature limiter/ECO 8 707 206 435 0

41 Venturi 8 708 205 279 0

42 Hot water pipe 8 700 705 178 0

43 Gas supply pipe 8 700 715 351 0

44 Cover 8 705 500 105 0

45 Clip 8 701 300 015 0

46 Protection shield 8 701 000 397 0

47 Wire form spring 8 704 705 030 0

48 Pilot valve 8 708 501 249 0

49 Wire form spring 8 704 705 025 0

50 Servovalve 8 708 501 250 0

51 Wire form spring 8 704 705 024 0

52 Inlet Hose 8 700 703 114 0

53 Wire form spring (10x) 8 704 705 029 0

54 Protection shield 8 701 000 414 0

Item Description Reference

Table 13

1 2 ... 28 29 30 31 32 33 34 35 36

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