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221469B
5 Spare Parts
5.1 Part Identification
The key number in diagram 5.1 and the first column of the list will help identify the spare part.
5.2 Ordering
When ordering any spare part, please quote the part number and the description from the list together with the model name and serial
number information from the data label. The data label is positioned on the inner case cover, visible when the outer case is removed,
see diagram 1.3.
Key No. Part No. Description G.C. No.
1 432828 Fan impeller and motor 376 976
2 203086 Main injector assembly 389 537
3 203425 Pilot burner 376 967
4 202616 Spark electrode 383 724
5 203516 Pilot injector 376 968
6 900003 Thermocouple 383 719
7 432869 Boiler overheat cutoff assembly 376 988
8 432868 Domestic hot water limit control 313 024
9 900501 Piezo unit 384 146
10 WW4604 Ignition lead 360 211
11 432874 Pressure gauge assembly 313 014
12 202186 Control board (inc 19,20) 313762
13 800322 Transformer 313 761
14 432870 Gas valve assembly - Honeywell 376 964
14 800158 Gas valve assembly - SIT 313 237
15 203345 Modulator assembly - Honeywell 313 021
15 800154 Modulator coil - SIT 313 414
16 202068 Central heating selector switch 382 813
17 432867 Thermistor assembly 376 987
18 800136 Domestic hot water switch assembly 313 277
19 202107 Fuse 2 type T 630mA 313 087
20 202114 Fuse 1 type T1.6A 313 068
21 202115 Pressure switch 313 097
22 800376 Solenoid coil - SIT
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