Lennox 99K39 Thermal Expansion Valve for Heat Pumps

The Lennox 99K39 is a genuine OEM thermal expansion valve (TXV) designed for use in Lennox heat pump systems. This critical refrigeration component regulates the flow of refrigerant into the evaporator coil, ensuring optimal system performance and efficiency by maintaining proper superheat levels throughout the refrigeration cycle.

Key Features:

• Genuine Lennox OEM replacement part for reliable fit and function
• Precisely controls refrigerant metering for consistent cooling and heating performance
• Maintains proper superheat to protect compressor and optimize efficiency
• Direct replacement for failed or worn expansion valves in compatible Lennox heat pump units
• Engineered to meet Lennox's quality and performance standards

The thermal expansion valve is an essential component in any heat pump's sealed refrigeration system. When your expansion valve fails, symptoms may include reduced cooling or heating capacity, ice formation on the coil, or inconsistent temperature control. This genuine Lennox replacement ensures your system operates at peak efficiency and maintains comfort in your home throughout all seasons.