Nordyne 664050R 0.050" Restrictor Orifice #50

The Nordyne 664050R .050" Restrictor Orifice #50 is used to regulate and meter gas or airflow within burner and combustion assemblies in equipment. It is typically installed in the gas distribution path of furnaces where it controls fuel delivery to individual burner sections, ensuring balanced combustion across the system. It is used in residential and commercial heating units that rely on fuel regulation for stable flame performance within HVAC systems. It plays a role in burner manifolds and gas control assemblies, supporting consistent ignition and heat output during heating cycles, ending with steady combustion behavior across operating conditions.