Product Information: Usually, there are two different types of electrode, Ignition electrodes and flame sensing electrodes. The Ignition electrode makes the spark that begins combustion within the burner The flame sensing electrodes are responsible for checking if there is a flame present in the burner. This is an important safety device that makes sure the boiler isn't still supplying gas without a flame.
This part is present in 4 different boilers in the Potterton range including the Potterton NETAHEAT 42644 , NETAHEAT 42644 , NETAHEAT 16/22 , NETAHEAT 16/22 .