Optimize your HVAC system's cooling performance with the Lennox 42W33 Expansion Valve, part number 100679-20. Designed for use with R410A refrigerant, this precision metering device regulates the flow of refrigerant into the evaporator coil, ensuring optimal system efficiency and reliable temperature control.Engineered to Lennox’s high standards, the 42W33 expansion valve enhances system responsiveness and helps maintain consistent indoor comfort. It is a critical component in maintaining system balance and protecting the compressor from liquid floodback.Key Features:
- OEM Lennox part for guaranteed compatibility
- Designed for R410A systems
- Ensures efficient refrigerant flow regulation
- Helps improve system performance and longevity
