Technical data

7 181 465 346 GB (03.02)
54
Appendix
4.3 List of most important replacement parts
Component Order no. Remarks
Switchbox
PCB control
board
8 748 300 385
Transformer 8 747 201 358
Ignition lead 8 714 401 999
20-pin connec-
tor lead assem-
bly
8 714 402 087 ZB...
20-pin connec-
tor lead assem-
bly
8 714 402 086 ZWB...
Fuse 1 904 552 730 T 0,5 A
Fuse 1 904 552 740 T 1,6 A
Fuse 1 904 521 342 T 2,5 A
Set of fuses 8 744 503 010
Switchbox kpl. 8 717 207 514 with DT 2
Switchbox kpl. 8 717 207 513 without DT 2
Code plug included in
Conversion kit
G20 -> G31
7 710 149 048 ZWB
7/11-29 A
Conversion kit
G31 -> G20
7 710 239 084 ZWB
7/11-29 A
Conversion kit
G20 -> G31
7 710 149 049 ZB
7/11-28 A
Conversion kit
G31 -> G20
7 710 239 085 ZB
7/11-28 A
Conversion kit
G20 -> G31
7 710 149 044 ZWB
7/11-27 A
Conversion kit
G31 -> G20
7 710 239 080 ZWB
7/11-27 A
Conversion kit
G20 -> G31
7 710 149 045 ZB
7/11-27 A
Conversion kit
G31 -> G20
7 710 239 081 ZB
7/11-27 A
Heat exchanger
Temperature
limiter
8 729 000 144 110˚C
Table 13
Temperature
sensor, CH flow
8 714 500 087 NTC
Electrode
assembly
8 718 107 077
Gas valve
Gas valve 8 747 003 516 CE 427
Other components
Fan 8 717 204 343
Gas supply pipe 8 710 725 500
Plate-type heat
exchanger
8 715 406 651 ZWB...
Overflow trap 8 710 725 328
Diaphragm in the
mixer unit
8 715 505 801
Component Order no. Remarks
Table 13