Nordyne 664069R Orifice
When you are out in the field diagnosticating a split system or heat pump that is short-cycling or hitting high-head pressure limits, the metering device is often the culprit. This Nordyne 664069R .069 Restrictor Orifice #69 is a critical OEM HVAC replacement part engineered specifically for Nordyne, Nortek, and Miller cooling coils. As a fixed-bore flow control orifice, it ensures the precise refrigerant expansion required to maintain the correct superheat and evaporator saturation temperatures.
Precision-machined to an internal diameter of .069 inches, this 0.069 refrigerant restrictor provides the exact pressure drop needed for balanced system performance. Unlike generic components, this Nordyne 664069R orifice is designed to meet factory specifications for refrigerant flow rate, preventing oil logging and liquid slugging that can damage the compressor. Whether you are performing a dry-charge unit setup or replacing a clogged metering device piston, using the correct #69 restrictor orifice is the only way to verify the system matches the manufacturer’s AHRI-rated performance curves.
Key Benefits:- Precise Refrigerant Metering: Delivers a consistent flow rate to the evaporator coil for optimal heat transfer.
- OEM Compatibility: Exact fit for Nordyne and Nortek systems, eliminating the guesswork of aftermarket sizing.
- System Reliability: Prevents excessive pressure differentials that lead to premature component wear.
- Durable Construction: High-grade brass build resists corrosion and maintains bore diameter integrity under high-pressure conditions.
How do I know if the .069 orifice is the right size for my system?
Orifice sizing is determined by the outdoor unit’s capacity and the indoor coil’s configuration. Always reference the charging chart on the access panel or the installation manual to confirm that a #69 orifice (0.069") is specified for your specific SEER rating and tonnage.
Can I use this orifice with both R-22 and R-410A systems?
While the physical orifice may fit, the required bore size differs significantly between refrigerants due to their operating pressures. Verify the required decimal size for the specific refrigerant listed on the unit’s data plate before installation.
What are the signs of a clogged or oversized restrictor orifice?
A clogged orifice typically results in high superheat and low suction pressure, while an oversized orifice can cause low superheat and potential liquid floodback to the compressor. Always check your Delta T and pressure drops across the coil.
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: $6.69
-65%$6.69
$2.34Nordyne 664069R Orifice
When you are out in the field diagnosticating a split system or heat pump that is short-cycling or hitting high-head pressure limits, the metering device is often the culprit. This Nordyne 664069R .069 Restrictor Orifice #69 is a critical OEM HVAC replacement part engineered specifically for Nordyne, Nortek, and Miller cooling coils. As a fixed-bore flow control orifice, it ensures the precise refrigerant expansion required to maintain the correct superheat and evaporator saturation temperatures.
Precision-machined to an internal diameter of .069 inches, this 0.069 refrigerant restrictor provides the exact pressure drop needed for balanced system performance. Unlike generic components, this Nordyne 664069R orifice is designed to meet factory specifications for refrigerant flow rate, preventing oil logging and liquid slugging that can damage the compressor. Whether you are performing a dry-charge unit setup or replacing a clogged metering device piston, using the correct #69 restrictor orifice is the only way to verify the system matches the manufacturer’s AHRI-rated performance curves.
Key Benefits:- Precise Refrigerant Metering: Delivers a consistent flow rate to the evaporator coil for optimal heat transfer.
- OEM Compatibility: Exact fit for Nordyne and Nortek systems, eliminating the guesswork of aftermarket sizing.
- System Reliability: Prevents excessive pressure differentials that lead to premature component wear.
- Durable Construction: High-grade brass build resists corrosion and maintains bore diameter integrity under high-pressure conditions.
How do I know if the .069 orifice is the right size for my system?
Orifice sizing is determined by the outdoor unit’s capacity and the indoor coil’s configuration. Always reference the charging chart on the access panel or the installation manual to confirm that a #69 orifice (0.069") is specified for your specific SEER rating and tonnage.
Can I use this orifice with both R-22 and R-410A systems?
While the physical orifice may fit, the required bore size differs significantly between refrigerants due to their operating pressures. Verify the required decimal size for the specific refrigerant listed on the unit’s data plate before installation.
What are the signs of a clogged or oversized restrictor orifice?
A clogged orifice typically results in high superheat and low suction pressure, while an oversized orifice can cause low superheat and potential liquid floodback to the compressor. Always check your Delta T and pressure drops across the coil.
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
When you are out in the field diagnosticating a split system or heat pump that is short-cycling or hitting high-head pressure limits, the metering device is often the culprit. This Nordyne 664069R .069 Restrictor Orifice #69 is a critical OEM HVAC replacement part engineered specifically for Nordyne, Nortek, and Miller cooling coils. As a fixed-bore flow control orifice, it ensures the precise refrigerant expansion required to maintain the correct superheat and evaporator saturation temperatures.
Precision-machined to an internal diameter of .069 inches, this 0.069 refrigerant restrictor provides the exact pressure drop needed for balanced system performance. Unlike generic components, this Nordyne 664069R orifice is designed to meet factory specifications for refrigerant flow rate, preventing oil logging and liquid slugging that can damage the compressor. Whether you are performing a dry-charge unit setup or replacing a clogged metering device piston, using the correct #69 restrictor orifice is the only way to verify the system matches the manufacturer’s AHRI-rated performance curves.
Key Benefits:- Precise Refrigerant Metering: Delivers a consistent flow rate to the evaporator coil for optimal heat transfer.
- OEM Compatibility: Exact fit for Nordyne and Nortek systems, eliminating the guesswork of aftermarket sizing.
- System Reliability: Prevents excessive pressure differentials that lead to premature component wear.
- Durable Construction: High-grade brass build resists corrosion and maintains bore diameter integrity under high-pressure conditions.
How do I know if the .069 orifice is the right size for my system?
Orifice sizing is determined by the outdoor unit’s capacity and the indoor coil’s configuration. Always reference the charging chart on the access panel or the installation manual to confirm that a #69 orifice (0.069") is specified for your specific SEER rating and tonnage.
Can I use this orifice with both R-22 and R-410A systems?
While the physical orifice may fit, the required bore size differs significantly between refrigerants due to their operating pressures. Verify the required decimal size for the specific refrigerant listed on the unit’s data plate before installation.
What are the signs of a clogged or oversized restrictor orifice?
A clogged orifice typically results in high superheat and low suction pressure, while an oversized orifice can cause low superheat and potential liquid floodback to the compressor. Always check your Delta T and pressure drops across the coil.
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.
