Nordyne 664067R 0.067" Restrictor Orifice #67

The Nordyne 664067R 0.067" Restrictor Orifice #67 is a precision metering part required to control the passage of gas through furnace assemblies in HVAC systems. Its opening provides a controlled flow rate that maintains the uses fuel delivery for proper burner operation. This is used in heating equipment where proper gas regulation is maintained to support appropriate combustion conditions. Positioned within the gas circuit, it contributes to balanced fuel delivery and dependable furnace performance and the component also supports consistent heating output when the equipment specifies operating requirements.