Lennox 11Y30 Expansion Valve Refrigerant Schneider Electric (Barber Colman) AT-11-400

Schneider Electric (Barber Colman) AT-11-400 Thermostat Cover

Mass Density: Offers high corrosion resistance and structural integrity for long-term service life in underground or exposed piping

Professionals should note that this specific component is designated for units with a Date Code Before 9923

Common indicators include a humming or buzzing sound

ensuring seamless compatibility with mobile home and residential furnace cabinets

Lennox 11Y30 Expansion Valve Refrigerant Schneider Electric (Barber Colman) AT-11-400Professional grade Lennox 11Y30 Expansion Valve stands as a critical 4 ton R410A expansion valve engineered for precision refrigerant metering in high efficiency residential and light commercial HVAC systems. This thermal expansion valve (TXV), manufactured for Lennox by Danfoss (Part No. 104413 02), is designed to optimize evaporator heat transfer by maintaining a precise superheat setpoint across varying load conditions. It features an integrated