
Lennox 10W85 Orifice Kit
The Lennox 10W85 is a critical RFC .072 orifice kit engineered for precise refrigerant flow control in residential and light commercial DX systems. As a fixed metering device, this Lennox replacement part is essential for maintaining the specific pressure drop required to transition high-pressure liquid refrigerant into a saturated vapor within the evaporator coil. Unlike adjustable expansion valves, the .072 orifice size must be matched exactly to the system's tonnage and SEER rating to ensure proper superheat levels and prevent liquid slugging at the compressor. In the field, technicians utilize this kit to resolve issues related to restricted refrigerant flow or to convert older systems to modern efficiency standards. By installing a genuine Lennox HVAC orifice, you ensure the internal geometry matches factory specifications, providing stable HVAC system performance and preventing high-head pressure or evaporator freeze-ups caused by incorrect metering.
Key Benefits:
- Precision-machined RFC .072 fixed orifice ensures accurate refrigerant metering for specific tonnage requirements.
- Direct Lennox replacement part designed for seamless field installation with existing distributor tubes.
- Optimizes the heat exchange process by maintaining consistent refrigerant flow control into the coil.
- Prevents common compressor failures by stabilizing proper superheat levels during peak cooling cycles.
- Rugged brass construction resists internal erosion and maintains aperture integrity over long-term operation.
Common Questions:
- How do I determine if a Lennox 10W85 orifice is restricted? Check for an excessive temperature drop across the distributor lead or a significantly low suction pressure accompanied by high superheat.
- Can this orifice be used for both R-22 and R-410A systems? While the orifice is a physical restriction, the .072 sizing must correlate with the specific BTU capacity and refrigerant properties defined in the Lennox charging charts.
- When should the orifice be replaced during a service call? Replace it whenever the system has been opened for a burnout cleanup, if physical debris is found in the liquid line strainer, or when upgrading an indoor 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: $19.99
-65%$19.99
$7.00Lennox 10W85 Orifice Kit
The Lennox 10W85 is a critical RFC .072 orifice kit engineered for precise refrigerant flow control in residential and light commercial DX systems. As a fixed metering device, this Lennox replacement part is essential for maintaining the specific pressure drop required to transition high-pressure liquid refrigerant into a saturated vapor within the evaporator coil. Unlike adjustable expansion valves, the .072 orifice size must be matched exactly to the system's tonnage and SEER rating to ensure proper superheat levels and prevent liquid slugging at the compressor. In the field, technicians utilize this kit to resolve issues related to restricted refrigerant flow or to convert older systems to modern efficiency standards. By installing a genuine Lennox HVAC orifice, you ensure the internal geometry matches factory specifications, providing stable HVAC system performance and preventing high-head pressure or evaporator freeze-ups caused by incorrect metering.
Key Benefits:
- Precision-machined RFC .072 fixed orifice ensures accurate refrigerant metering for specific tonnage requirements.
- Direct Lennox replacement part designed for seamless field installation with existing distributor tubes.
- Optimizes the heat exchange process by maintaining consistent refrigerant flow control into the coil.
- Prevents common compressor failures by stabilizing proper superheat levels during peak cooling cycles.
- Rugged brass construction resists internal erosion and maintains aperture integrity over long-term operation.
Common Questions:
- How do I determine if a Lennox 10W85 orifice is restricted? Check for an excessive temperature drop across the distributor lead or a significantly low suction pressure accompanied by high superheat.
- Can this orifice be used for both R-22 and R-410A systems? While the orifice is a physical restriction, the .072 sizing must correlate with the specific BTU capacity and refrigerant properties defined in the Lennox charging charts.
- When should the orifice be replaced during a service call? Replace it whenever the system has been opened for a burnout cleanup, if physical debris is found in the liquid line strainer, or when upgrading an indoor 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.
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
The Lennox 10W85 is a critical RFC .072 orifice kit engineered for precise refrigerant flow control in residential and light commercial DX systems. As a fixed metering device, this Lennox replacement part is essential for maintaining the specific pressure drop required to transition high-pressure liquid refrigerant into a saturated vapor within the evaporator coil. Unlike adjustable expansion valves, the .072 orifice size must be matched exactly to the system's tonnage and SEER rating to ensure proper superheat levels and prevent liquid slugging at the compressor. In the field, technicians utilize this kit to resolve issues related to restricted refrigerant flow or to convert older systems to modern efficiency standards. By installing a genuine Lennox HVAC orifice, you ensure the internal geometry matches factory specifications, providing stable HVAC system performance and preventing high-head pressure or evaporator freeze-ups caused by incorrect metering.
Key Benefits:
- Precision-machined RFC .072 fixed orifice ensures accurate refrigerant metering for specific tonnage requirements.
- Direct Lennox replacement part designed for seamless field installation with existing distributor tubes.
- Optimizes the heat exchange process by maintaining consistent refrigerant flow control into the coil.
- Prevents common compressor failures by stabilizing proper superheat levels during peak cooling cycles.
- Rugged brass construction resists internal erosion and maintains aperture integrity over long-term operation.
Common Questions:
- How do I determine if a Lennox 10W85 orifice is restricted? Check for an excessive temperature drop across the distributor lead or a significantly low suction pressure accompanied by high superheat.
- Can this orifice be used for both R-22 and R-410A systems? While the orifice is a physical restriction, the .072 sizing must correlate with the specific BTU capacity and refrigerant properties defined in the Lennox charging charts.
- When should the orifice be replaced during a service call? Replace it whenever the system has been opened for a burnout cleanup, if physical debris is found in the liquid line strainer, or when upgrading an indoor 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.












