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This pneumatic control valve is typically paired with a 46 or 100 square inch diaphragm actuator to overcome system differential pressures
The most common causes are voltage spikes
and airborne pollutants that typically degrade sensor performance
streamlining installation in tight mechanical rooms
Nordyne 664067R Orifice 320819-301 This pneumatic control valve isThe 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
