Ideal flame sensing electrode 173529

A flame sensing electrode kit suitable for Ideal's Esprit, Evo, Isar, Istor, Elise, Esprit 2, Icos and Mexico boilers. An ignition (spark) 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.