Benchmark ZWB 7-29 CC1 Installation And Servicing page 102

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