Nordyne 664041R Orifice
The Nordyne 664041R Orifice is a precision-engineered #41 (.041") restrictor orifice designed for specific HVAC metering applications within Nordyne, Intertherm, and Miller split-system air conditioning and heat pump units. As a fixed-bore metering device, this component is critical for maintaining the correct refrigerant flow rate and pressure drop across the evaporator coil, ensuring the system operates within its thermal design parameters. Accurate sizing is essential for preventing liquid slugging or evaporator freeze-ups, especially in older R-22 or R-410A residential systems where precise superheat levels are required. This OEM replacement part provides a reliable alternative to adjustable expansion valves in compatible air handlers and cased coils. For contractors performing a restrictor orifice replacement, verifying the orifice sizing chart for the specific outdoor condenser tonnage and indoor coil match-up is mandatory to achieve optimal system efficiency and cooling capacity.
Key Benefits for Technicians- Precise Flow Control: The .041 bore diameter ensures accurate refrigerant distribution for consistent subcooling and superheat performance.
- OEM Compatibility: Exact Nordyne 664041R specifications ensure a seamless fit into the distributor assembly without modification.
- Durable Construction: Machined from high-grade brass to withstand high-pressure fluctuations and resist debris-induced erosion.
- Simplified Calibration: Fixed-orifice design eliminates the mechanical failure points associated with TXV assemblies in residential applications.
How do I verify if the #41 orifice is correct for my installation?
Compatibility is determined by the specific BTUH capacity of the outdoor unit and the indoor coil's displacement. Always reference the Nordyne charging charts located on the service panel to confirm the metering device requirements for your specific equipment combination.
Can this orifice be used with both R-22 and R-410A systems?
While the 664041R orifice is a physical component, its application depends on the system's pressure requirements. Ensure the bore size matches the manufacturer's specification for the specific refrigerant and tonnage being utilized.
What are the signs of a clogged or incorrectly sized restrictor?
Symptoms include abnormal suction pressures, excessive frosting at the liquid line connection, or an inability to maintain target superheat, which often indicates a restricted metering device or an incorrect orifice number.
This item is not eligible for free shipping.
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.
Original: $7.45
-65%$7.45
$2.61Nordyne 664041R Orifice
The Nordyne 664041R Orifice is a precision-engineered #41 (.041") restrictor orifice designed for specific HVAC metering applications within Nordyne, Intertherm, and Miller split-system air conditioning and heat pump units. As a fixed-bore metering device, this component is critical for maintaining the correct refrigerant flow rate and pressure drop across the evaporator coil, ensuring the system operates within its thermal design parameters. Accurate sizing is essential for preventing liquid slugging or evaporator freeze-ups, especially in older R-22 or R-410A residential systems where precise superheat levels are required. This OEM replacement part provides a reliable alternative to adjustable expansion valves in compatible air handlers and cased coils. For contractors performing a restrictor orifice replacement, verifying the orifice sizing chart for the specific outdoor condenser tonnage and indoor coil match-up is mandatory to achieve optimal system efficiency and cooling capacity.
Key Benefits for Technicians- Precise Flow Control: The .041 bore diameter ensures accurate refrigerant distribution for consistent subcooling and superheat performance.
- OEM Compatibility: Exact Nordyne 664041R specifications ensure a seamless fit into the distributor assembly without modification.
- Durable Construction: Machined from high-grade brass to withstand high-pressure fluctuations and resist debris-induced erosion.
- Simplified Calibration: Fixed-orifice design eliminates the mechanical failure points associated with TXV assemblies in residential applications.
How do I verify if the #41 orifice is correct for my installation?
Compatibility is determined by the specific BTUH capacity of the outdoor unit and the indoor coil's displacement. Always reference the Nordyne charging charts located on the service panel to confirm the metering device requirements for your specific equipment combination.
Can this orifice be used with both R-22 and R-410A systems?
While the 664041R orifice is a physical component, its application depends on the system's pressure requirements. Ensure the bore size matches the manufacturer's specification for the specific refrigerant and tonnage being utilized.
What are the signs of a clogged or incorrectly sized restrictor?
Symptoms include abnormal suction pressures, excessive frosting at the liquid line connection, or an inability to maintain target superheat, which often indicates a restricted metering device or an incorrect orifice number.
This item is not eligible for free shipping.
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.
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Description
The Nordyne 664041R Orifice is a precision-engineered #41 (.041") restrictor orifice designed for specific HVAC metering applications within Nordyne, Intertherm, and Miller split-system air conditioning and heat pump units. As a fixed-bore metering device, this component is critical for maintaining the correct refrigerant flow rate and pressure drop across the evaporator coil, ensuring the system operates within its thermal design parameters. Accurate sizing is essential for preventing liquid slugging or evaporator freeze-ups, especially in older R-22 or R-410A residential systems where precise superheat levels are required. This OEM replacement part provides a reliable alternative to adjustable expansion valves in compatible air handlers and cased coils. For contractors performing a restrictor orifice replacement, verifying the orifice sizing chart for the specific outdoor condenser tonnage and indoor coil match-up is mandatory to achieve optimal system efficiency and cooling capacity.
Key Benefits for Technicians- Precise Flow Control: The .041 bore diameter ensures accurate refrigerant distribution for consistent subcooling and superheat performance.
- OEM Compatibility: Exact Nordyne 664041R specifications ensure a seamless fit into the distributor assembly without modification.
- Durable Construction: Machined from high-grade brass to withstand high-pressure fluctuations and resist debris-induced erosion.
- Simplified Calibration: Fixed-orifice design eliminates the mechanical failure points associated with TXV assemblies in residential applications.
How do I verify if the #41 orifice is correct for my installation?
Compatibility is determined by the specific BTUH capacity of the outdoor unit and the indoor coil's displacement. Always reference the Nordyne charging charts located on the service panel to confirm the metering device requirements for your specific equipment combination.
Can this orifice be used with both R-22 and R-410A systems?
While the 664041R orifice is a physical component, its application depends on the system's pressure requirements. Ensure the bore size matches the manufacturer's specification for the specific refrigerant and tonnage being utilized.
What are the signs of a clogged or incorrectly sized restrictor?
Symptoms include abnormal suction pressures, excessive frosting at the liquid line connection, or an inability to maintain target superheat, which often indicates a restricted metering device or an incorrect orifice number.
This item is not eligible for free shipping.
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.
