List Of Most Important Replacement Parts - Worcester ZSBR 7-28 ICS1 Service Booklet

5.3

List of most important replacement parts

Component Order no.
Switchbox
PCB control 8 748 300 385
board
Transformer 8 747 201 358
Ignition lead 8 714 401 878
20-pin connector 8 714 401 912
lead assembly
Fuse 1 904 522 730
Fuse 1 904 522 740
Fuse 1 904 521 342
Code plug included in
Conversion kit 7 710 149 050
G20 -> 31
Conversion kit 7 710 239 086
G31 -> G20
Conversion kit 7 710 149 051
G20 -> G31
Conversion kit 7 710 239 087
G31 -> G20
Conversion kit 7 710 149 052
G20 -> G31
Conversion kit 7 710 239 088
G31 -> G20
Conversion kit 7 710 149 053
G20 -> G31
Conversion kit 7 710 239 089
G31 -> G20
Conversion kit 7 710 149 046
G20 -> G31
Conversion kit 7 710 239 082
G31 -> G20
Conversion kit 7 710 149 047
G20 -> G31
Conversion kit 7 710 239 083
G31 -> G20
Table 7
7 181 465 347 (01.07)
Component
Remarks
Heat exchanger
Temperature lim-
iter STB
Flue gas temper-
ature limiter
Temperature
sensor, CH flow
T 0,5 A
T 1,6 A
Burner
T 2,5 A
Electrode
assembly
Gas valve
ZWBR
Gas valve
8-30
Gas valve
ZWBR
11- 30
Other components
ZWBR
Fan
11 - 37
Gas supply pipe
ZWBR
14 - 37
Textdisplay
ZSBR
Plate-type heat
7-28
exchanger
ZSBR
11-28
Table 7
ZBR 8-35
ZBR 11-35
ZWBR
7-28
ZWBR
11-35
ZWBR
11-35
ZWBR
14-35
Appendix
Order no. Remarks
8 729 000 144 110 °C
8 729 000 144
8 714 500 054 NTC
8 718 107 064
8 747 003 516
8 747 003 515 ZBR 11/
14..42A
8 717 204 325
8 714 401 885
8 747 208 081
8 715 406 659 ZWBR
7/11-28 A.
47