Bosch Hvac 5181652 Pilot Burner Assembly Q3451 E V3

The Bosch HVAC 5181652 Pilot Burner Assembly Q3451 E V3 is a heating part of gas-fired HVAC systems used to initiate and maintain the main burner to ignite. It is made up of a pilot burner, orifice and mounting hardware that is installed to provide a controlled pilot flame on gas flow and control signals. The assembly is mounted in burner compartment of furnace or boiler and operate along with gas valve and flame-sensing control. It provides a secure method of ignition in heating operations, which allows the main fuel supply to be ignited and burn constantly.