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. The pilot flame works in conjuction with the the rest of the pilot assembly as well as the printed circuit board to ensure that the gas is ignited efficiently and safely .
Fits multiple appliances
Technical specification
Waist Sizeae27ci19fwToilet Cistern CapacityFTW--Supplier Part NumberSP820238Brand NameRobinson Willey