The Worcester Bosch electrode 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	N/A
Material	N/A
Manufacturer Model No	871860028A0
Wear Type	N/A
Type	Electrode
Certifications Met	N/A
Country of Origin	N/A
Protects From	N/A
Waterproof	N/A
Number of Pockets	N/A
Waist Size	aa17cj19gx
Supplier Part Number	871860028A0