Lennox 49K42 Expansion Valve 321042-401 Key Benefits Optimized Static Pressure:

Key Benefits Optimized Static Pressure: Rated for 1000 CFM

Can I use this kit with other hydraulic separator brands

it should typically show continuity (closed) during normal standby if it is a vacuum-style safety

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

eliminating the need for a mechanical shaft seal

Lennox 49K42 Expansion Valve 321042-401 Key Benefits Optimized Static Pressure:When 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,