The Potterton electrode assembly kit is for use in the brand's Powermax boiler range. An ignition 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.
Seals and screws are included
Technical specification
TypeElectrodeManufacturer Model No5106283Brand NamePotterton