BASO Gas Products Y90AA-3221 .021 Orifice Nat Gas 1/4" CC

The BASO Gas Products Y90AA-3221 Pilot Orifice is a fuel metering component used in pilot burner configurations. This component controls liquid propane or natural gas delivery by limiting fuel passage through the pilot assembly for ignition operation. It works by channeling gas through the specified opening to provide the required flow between connected sections. The pilot orifice is secured into compatible gas-operated equipment and HVAC systems as part of servicing or replacement procedures. It has a 0.021" orifice size and 1/4" compression coupling for use with designated gas control setups.