Viessmann ignition/ionisation probe 7823837.
Models this fits
Viessmann WB1A OPEN VENT 13KW 7248320
Viessmann WB1A OPEN VENT 24KW 7248586
Viessmann WB1A OPEN VENT 18KW 7248587
Viessmann V100 WB1A COMBI 24
Viessmann V100 WB1A COMBI 30
Viessmann V100 WB1A SYSTEM 24 7179918
Viessmann V100 WB1A SYSTEM 24 7248588
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