Nordyne 664067R Orifice 320819-301 and airborne pollutants that typically

and airborne pollutants that typically degrade sensor performance

Critical Safety: Provides a robust barrier between combustion byproducts and the building’s airstream

this component acts as the primary controller

streamlining installation in tight mechanical rooms

it is designed for use with both addressable (intelligent) and conventional 4-wire or 2-wire duct smoke detection systems

Nordyne 664067R Orifice 320819-301 and airborne pollutants that typicallyThe Nordyne 664067R Orifice is a precision engineered . 067 restrictor orifice designed to maintain critical refrigerant flow rates in specific HVAC systems. As the direct replacement for 664067, this #67 orifice is essential for contractors performing maintenance or repairs on Nordyne air conditioner and Miller furnace matching coils. Proper sizing of the metering device is vital for achieving the correct superheat and ensuring the evaporator coil