York S1-029-20422-063 0.037" Pilot Orifice #63

The York S1-029-20422-063 Pilot Orifice No.63 0.037" DIA is a precision gas metering component used in furnace and boiler pilot assemblies to regulate the flow of gas to the pilot burner. It is used to provide a controlled, low-volume gas stream that ensures stable pilot flame formation and consistent ignition of the main burner. It is placed within the pilot tubing or burner part of compatible heating equipment. It plays an essential role in maintaining correct combustion features and safe start-up operation. It is used to restore proper ignition performance and consistent flame stability.