Bosch 125B LPS - Manual (Page 19)

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Fig. 11
INTERIOR COMPONENTS DIAGRAM
AND PARTS LIST 125BS
1 Cover 8 705 421 033
2 Cap cover 8 703 304 011
3 Water connection gasket 8 710 103 043
4 Draft divertor 8 705 505 354
5 Heat exchanger 8 705 406 189
6 Hot water pipe 8 700 705 431
7 Cold water pipe 8 700 705 294
8 Heat exchanger washer 8 710 103 045
9 Overheat sensor (ECO) 8 707 206 017
10 Main burner assembly 8 708 120 296 LP
Main burner assembly 8 708 120 298 NG
11 Pilot burner assembly 8 718 105 051
11a Pilot filter screen 8 700 507 055
12 Piezo electrode 8 708 107 002
13 Pilot orifice 8 708 200 005 NG
Pilot orifice 8 748 200 173 LP
14 Pilot Tube 8 710 707 166
15 Thermocouple 8 747 202 083
16 Burner assembly washer 8 710 103 060
17 Gas valve 8 707 011 467 LP
Gas valve 8 707 011 469 NG
18 Gas supply pipe 8 700 705 464
19 Electromagnet 8 747 201 094
20 Electromagnet washer 8 700 103 144
21 Gas filter 8 700 507 051
22 Thermocable 8 747 202 078
23 Thermostat 8 707 206 039
24 O ring Thermostat 8 700 205 101
25 O ring Thermostat 8 700 205 041
26 Water valve assembly 8 707 002 393
27 Pushrod 8 703 406 204
28 Water valve diaphragm 8 700 503 050
29 Slow ignition valve 8 708 503 062
30 Water valve setting screw 8 703 404 092
31 O ring setting screw 8 700 205 050
32 Water valve venturi 8 708 205 235
33 Water valve piston assembly 8 708 500 230
34 Water inlet filter 8 700 507 059
35 Water elbow fitting 8 700 703 114
36 Water valve set screw 8 703 401 051