Lennox 49K42 Expansion Valve 321042-401 Key Benefits Heavy-Duty Construction: Built

Key Benefits Heavy-Duty Construction: Built with industrial aluminum and a reinforced steel spider for long-term structural integrity

delivering the necessary torque to maintain consistent airflow across the evaporator and condenser coils

using the incorrect regulator size can lead to improper tension and failed pressure relief

Can I use this kit with other hydraulic separator brands

Lennox 49K42 Expansion Valve 321042-401 Key Benefits Heavy-Duty Construction: BuiltWhen you're dealing with a starving evaporator or inconsistent superheat on a Lennox system, the Lennox 49K42 Expansion Valve is the specified OEM solution for precise refrigerant metering. This thermostatic expansion valve (TXV) is engineered to handle variable load conditions, ensuring the evaporator coil maintains the correct liquid to vapor transition point across varying ambient temperatures. Built for high performance HVAC refrigerant control,