The pilot burner is a flame within the unit that is needed to ignite the gas that is coming in to the main burner. When the appliance is switched on the gas valve allows gas in to the burner which is then ignited by the pilot flame.
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Technical Specifications
TypeBurnerToilet Cistern CapacityFTW--Supplier Part NumberBOS00311/BCR18Brand NameJohnson & Starley
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Johnson And Starley Bos00311/Bcr18 Pilot Burner Nat Gas