The Biasi right 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.
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Technical Specifications
TypeElectrodeToilet Cistern CapacityFTW--Compatible WithParva SE M90.24S, Parva SE M90.28S, Parva SE M90.24SR, Parva SE M90.28SR, Parva HE M96.24SM/P and Parva HE M96.28SM/PSupplier Part NumberBI1123103Brand NameBiasi