Product Information: Usually, there are two different types of electrode, Ignition electrodes and flame sensing electrodes. The Ignition electrode makes the spark that starts off combustion. The flame sensing electrodes are responsible for checking if there is a flame present in the burner. This is an important task and if the flame is not detected the boiler knows to re-attempt ignition.
This part is present in 12 different boilers in the Glowworm range including the Glowworm HXI 12 , HXI 15 , HXI 18 , SXI 18 , HXI 24 .