Lennox 12J33 TXV
The Lennox 12J33 is a critical 2 Ton Indoor TXV (Thermostatic Expansion Valve) designed to provide 103366-05 precision metering for R-410A refrigerant systems. As a genuine Lennox HVAC replacement part, this valve is engineered to maintain the correct evaporator superheat across varying load conditions, preventing liquid slugging and ensuring the compressor operates within its design parameters. Whether you are performing a seasonal tune-up or a full system repair, installing a Lennox thermal expansion valve is essential for restoring the 24,000 BTU/hr cooling capacity and SEER efficiency of the indoor coil.
This refrigerant flow control device features a durable power head and a sensitive bulb designed for external mounting on the suction line. It is a direct fit for compatible Lennox air handlers and cased coils, offering seamless integration with existing liquid line connections. For technicians, the 12J33 TXV represents a reliable solution to common issues such as starved evaporators or system "hunting," providing the consistent refrigerant pressure drop required for optimal heat transfer and dehumidification in residential and light commercial applications.
Key Benefits:- Precise Refrigerant Metering: Automatically adjusts flow to maintain target superheat, protecting the compressor from liquid floodback.
- Optimized System Efficiency: Enhances heat exchange performance, ensuring the 2-ton cooling system reaches its rated efficiency levels.
- Genuine OEM Build: Manufactured by Lennox to exacting HVAC technical specifications for long-term reliability in indoor environments.
- Direct Compatibility: Engineered specifically for Lennox R-410A systems, simplifying the installation process for field contractors.
- Is the Lennox 12J33 compatible with R-22 systems? No, this expansion valve is specifically calibrated for R-410A refrigerant and should not be used with R-22 or different oil types like mineral oil.
- What are the symptoms of a failing TXV? Common indicators include high superheat (starving), low suction pressure, or frost buildup on the evaporator coil inlet.
- Where should the sensing bulb be mounted? The bulb should be securely strapped to a horizontal section of the suction line at the 12 o'clock or 4/8 o'clock position, depending on line diameter, and properly insulated.
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: $150.86
-65%$150.86
$52.80Lennox 12J33 TXV
The Lennox 12J33 is a critical 2 Ton Indoor TXV (Thermostatic Expansion Valve) designed to provide 103366-05 precision metering for R-410A refrigerant systems. As a genuine Lennox HVAC replacement part, this valve is engineered to maintain the correct evaporator superheat across varying load conditions, preventing liquid slugging and ensuring the compressor operates within its design parameters. Whether you are performing a seasonal tune-up or a full system repair, installing a Lennox thermal expansion valve is essential for restoring the 24,000 BTU/hr cooling capacity and SEER efficiency of the indoor coil.
This refrigerant flow control device features a durable power head and a sensitive bulb designed for external mounting on the suction line. It is a direct fit for compatible Lennox air handlers and cased coils, offering seamless integration with existing liquid line connections. For technicians, the 12J33 TXV represents a reliable solution to common issues such as starved evaporators or system "hunting," providing the consistent refrigerant pressure drop required for optimal heat transfer and dehumidification in residential and light commercial applications.
Key Benefits:- Precise Refrigerant Metering: Automatically adjusts flow to maintain target superheat, protecting the compressor from liquid floodback.
- Optimized System Efficiency: Enhances heat exchange performance, ensuring the 2-ton cooling system reaches its rated efficiency levels.
- Genuine OEM Build: Manufactured by Lennox to exacting HVAC technical specifications for long-term reliability in indoor environments.
- Direct Compatibility: Engineered specifically for Lennox R-410A systems, simplifying the installation process for field contractors.
- Is the Lennox 12J33 compatible with R-22 systems? No, this expansion valve is specifically calibrated for R-410A refrigerant and should not be used with R-22 or different oil types like mineral oil.
- What are the symptoms of a failing TXV? Common indicators include high superheat (starving), low suction pressure, or frost buildup on the evaporator coil inlet.
- Where should the sensing bulb be mounted? The bulb should be securely strapped to a horizontal section of the suction line at the 12 o'clock or 4/8 o'clock position, depending on line diameter, and properly insulated.
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 Lennox 12J33 is a critical 2 Ton Indoor TXV (Thermostatic Expansion Valve) designed to provide 103366-05 precision metering for R-410A refrigerant systems. As a genuine Lennox HVAC replacement part, this valve is engineered to maintain the correct evaporator superheat across varying load conditions, preventing liquid slugging and ensuring the compressor operates within its design parameters. Whether you are performing a seasonal tune-up or a full system repair, installing a Lennox thermal expansion valve is essential for restoring the 24,000 BTU/hr cooling capacity and SEER efficiency of the indoor coil.
This refrigerant flow control device features a durable power head and a sensitive bulb designed for external mounting on the suction line. It is a direct fit for compatible Lennox air handlers and cased coils, offering seamless integration with existing liquid line connections. For technicians, the 12J33 TXV represents a reliable solution to common issues such as starved evaporators or system "hunting," providing the consistent refrigerant pressure drop required for optimal heat transfer and dehumidification in residential and light commercial applications.
Key Benefits:- Precise Refrigerant Metering: Automatically adjusts flow to maintain target superheat, protecting the compressor from liquid floodback.
- Optimized System Efficiency: Enhances heat exchange performance, ensuring the 2-ton cooling system reaches its rated efficiency levels.
- Genuine OEM Build: Manufactured by Lennox to exacting HVAC technical specifications for long-term reliability in indoor environments.
- Direct Compatibility: Engineered specifically for Lennox R-410A systems, simplifying the installation process for field contractors.
- Is the Lennox 12J33 compatible with R-22 systems? No, this expansion valve is specifically calibrated for R-410A refrigerant and should not be used with R-22 or different oil types like mineral oil.
- What are the symptoms of a failing TXV? Common indicators include high superheat (starving), low suction pressure, or frost buildup on the evaporator coil inlet.
- Where should the sensing bulb be mounted? The bulb should be securely strapped to a horizontal section of the suction line at the 12 o'clock or 4/8 o'clock position, depending on line diameter, and properly insulated.
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.
