Lennox 39W70 Expansion Valve
The Lennox 39W70 Expansion Valve is a critical OEM replacement part designed for precise refrigerant flow control in high-performance HVACR systems. Engineered for compatibility with Lennox G43 series GreenHeat and G52 GreenVent heat pumps, this thermostatic expansion valve (TXV) ensures optimal superheat maintenance across varying load conditions. For technicians servicing residential air conditioning or commercial refrigeration units, the 39W70 is built to handle the rigors of R-410A refrigerant applications, effectively preventing liquid slugging and protecting the compressor from premature failure. Its robust brass construction and high-quality internal diaphragm provide long-term reliability in demanding environments. By accurately metering refrigerant to the evaporator coil, this valve maximizes heat exchange efficiency and maintains consistent cooling output, making it a staple for contractors prioritizing system uptime and energy-stabilized performance in localized climate control installations.
Key Benefits- Precise Refrigerant Metering: Maintains exact superheat levels to optimize evaporator coil performance and cooling capacity.
- System Longevity: Protects the compressor from liquid floodback, significantly reducing mechanical wear in Lennox HVAC systems.
- Energy Efficiency: Enhances SEER ratings by ensuring the system operates at peak thermodynamic efficiency during peak demand.
- OEM Compatibility: Guaranteed fit for G43 and G52 series equipment, eliminating the guesswork associated with universal aftermarket valves.
- Durable Construction: Features a high-grade brass body capable of managing high-pressure HVACR environments.
What are the symptoms of a failing Lennox 39W70 TXV?
Common indicators include improper superheat readings, frost buildup on the evaporator coil, or the system "hunting" (fluctuating pressures) during operation. A stuck valve can lead to poor cooling or high compressor discharge temperatures.
Is the 39W70 compatible with R-22 systems?
No, this specific expansion valve is engineered for use with R-410A refrigerant. Using it with R-22 will result in improper pressure regulation and potential system damage due to different pressure-temperature characteristics.
Can I use this valve for both heating and cooling cycles?
Yes, the Lennox 39W70 is designed for reverse cycle air conditioners and heat pumps, allowing for bidirectional flow control in both heating and cooling modes.
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: $137.93
-65%$137.93
$48.28Lennox 39W70 Expansion Valve
The Lennox 39W70 Expansion Valve is a critical OEM replacement part designed for precise refrigerant flow control in high-performance HVACR systems. Engineered for compatibility with Lennox G43 series GreenHeat and G52 GreenVent heat pumps, this thermostatic expansion valve (TXV) ensures optimal superheat maintenance across varying load conditions. For technicians servicing residential air conditioning or commercial refrigeration units, the 39W70 is built to handle the rigors of R-410A refrigerant applications, effectively preventing liquid slugging and protecting the compressor from premature failure. Its robust brass construction and high-quality internal diaphragm provide long-term reliability in demanding environments. By accurately metering refrigerant to the evaporator coil, this valve maximizes heat exchange efficiency and maintains consistent cooling output, making it a staple for contractors prioritizing system uptime and energy-stabilized performance in localized climate control installations.
Key Benefits- Precise Refrigerant Metering: Maintains exact superheat levels to optimize evaporator coil performance and cooling capacity.
- System Longevity: Protects the compressor from liquid floodback, significantly reducing mechanical wear in Lennox HVAC systems.
- Energy Efficiency: Enhances SEER ratings by ensuring the system operates at peak thermodynamic efficiency during peak demand.
- OEM Compatibility: Guaranteed fit for G43 and G52 series equipment, eliminating the guesswork associated with universal aftermarket valves.
- Durable Construction: Features a high-grade brass body capable of managing high-pressure HVACR environments.
What are the symptoms of a failing Lennox 39W70 TXV?
Common indicators include improper superheat readings, frost buildup on the evaporator coil, or the system "hunting" (fluctuating pressures) during operation. A stuck valve can lead to poor cooling or high compressor discharge temperatures.
Is the 39W70 compatible with R-22 systems?
No, this specific expansion valve is engineered for use with R-410A refrigerant. Using it with R-22 will result in improper pressure regulation and potential system damage due to different pressure-temperature characteristics.
Can I use this valve for both heating and cooling cycles?
Yes, the Lennox 39W70 is designed for reverse cycle air conditioners and heat pumps, allowing for bidirectional flow control in both heating and cooling modes.
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 39W70 Expansion Valve is a critical OEM replacement part designed for precise refrigerant flow control in high-performance HVACR systems. Engineered for compatibility with Lennox G43 series GreenHeat and G52 GreenVent heat pumps, this thermostatic expansion valve (TXV) ensures optimal superheat maintenance across varying load conditions. For technicians servicing residential air conditioning or commercial refrigeration units, the 39W70 is built to handle the rigors of R-410A refrigerant applications, effectively preventing liquid slugging and protecting the compressor from premature failure. Its robust brass construction and high-quality internal diaphragm provide long-term reliability in demanding environments. By accurately metering refrigerant to the evaporator coil, this valve maximizes heat exchange efficiency and maintains consistent cooling output, making it a staple for contractors prioritizing system uptime and energy-stabilized performance in localized climate control installations.
Key Benefits- Precise Refrigerant Metering: Maintains exact superheat levels to optimize evaporator coil performance and cooling capacity.
- System Longevity: Protects the compressor from liquid floodback, significantly reducing mechanical wear in Lennox HVAC systems.
- Energy Efficiency: Enhances SEER ratings by ensuring the system operates at peak thermodynamic efficiency during peak demand.
- OEM Compatibility: Guaranteed fit for G43 and G52 series equipment, eliminating the guesswork associated with universal aftermarket valves.
- Durable Construction: Features a high-grade brass body capable of managing high-pressure HVACR environments.
What are the symptoms of a failing Lennox 39W70 TXV?
Common indicators include improper superheat readings, frost buildup on the evaporator coil, or the system "hunting" (fluctuating pressures) during operation. A stuck valve can lead to poor cooling or high compressor discharge temperatures.
Is the 39W70 compatible with R-22 systems?
No, this specific expansion valve is engineered for use with R-410A refrigerant. Using it with R-22 will result in improper pressure regulation and potential system damage due to different pressure-temperature characteristics.
Can I use this valve for both heating and cooling cycles?
Yes, the Lennox 39W70 is designed for reverse cycle air conditioners and heat pumps, allowing for bidirectional flow control in both heating and cooling modes.
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.
