The Ferroli electrode ignition is a genuine spare for boilers and 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.
Colour is white
Fits a number of Ferroli appliances
Technical specification
TypeElectrodeManufacturer Model No39812170Brand NameFerroli