Worcester Bosch ignition (spark) electrode causes the spark that begins combustion within the burner, whereas flame sensing electrodes are responsible for checking if there is a flame present in the burner to make sure that the boiler doesn't keep supplying gas without a flame.

Brand Name	Worcester Bosch
Colour	None
Material	None
Manufacturer Model No	87161203450
Wear Type	None
Type	Electrode
Certifications Met	None
Country of Origin	None
Protects From	None
Waterproof	None
Number of Pockets	None
Waist Size	aa74ch57gt
Toilet Cistern Capacity	FTW
Compatible With	Worcester SBI 15 NG SYSTEM, Worcester CDI 24 BSN NG COMBI, Worcester CDI 24 FSN NG COMBI, Worcester CDI 24 FSP LPG COMBI, Worcester CDI 24 OSN NG COMBI, Worcester CDI 24 OSP LPG COMBI, Worcester 24I NG FSN COMBI, Worcester 24I NG JUNIOR FSN COMBI, Worcester 24I LPG JUNIOR FSP COMBI, Worcester 24SBI NG FSN SYSTEM BOILER, Worcester CDI 26 FSN NG CONDENSING COMBI, Worcester CDI 26 LPG CONDENSING COMBI, Worcester CDI 28 LPG, Worcester CDI 28 NG, Worcester 28I NG FSN COMBI, Worcester 28I NG JUNIOR FSN COMBI, Worcester 28I LPG JUNIOR FSP COMBI, Worcester CDI II 35 NG and Worcester CDI II 35 LPG
Supplier Part Number	87161203450