The Worcester Bosch electrode lead causes the spark that begins combustion within the burner, while 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	87161570230
Wear Type	None
Type	Electrode Lead
Certifications Met	None
Country of Origin	None
Protects From	None
Waterproof	None
Number of Pockets	None
Waist Size	ab12ce57fw

Brand Name	Worcester Bosch
Colour	None
Material	None
Manufacturer Model No	87161570230
Wear Type	None
Type	ELECTRODE LEADS
Certifications Met	None
Country of Origin	None
Protects From	None
Waterproof	None
Number of Pockets	None
Part No	87161570230
Boiler Spares Part Number	87161570230
Boiler Spares Type	Combustion & Exhaust
Manufacturer Guarantee	1 Year Guarantee
Pack Size	2
Pieces in Pack/Case	1
Product Type	ELECTRODE LEADS WITH GROMMET