Lennox 78L19 Expansion Valve Refrigerant providing stable superheat control across

providing stable superheat control across varying ambient conditions

while the double boss rear mount with three tapped holes ensures a secure fit in existing brackets

It functions as a 1:1 substitute for the discontinued 269837 part number

Common symptoms include the outdoor fan remaining off in heating mode (when not in defrost)

The GC Valves KS211AF02N5FG9 Repair Kit is a comprehensive maintenance solution engineered for high-performance S211 series solenoid valves

Lennox 78L19 Expansion Valve Refrigerant providing stable superheat control acrossProper refrigerant metering is the backbone of any reliable HVACR system, and the Lennox 78L19 Expansion Valve is a critical component for maintaining precise superheat. Designed for high performance residential and light commercial equipment, this Thermostatic Expansion Valve (TXV) is chemically compatible with both R 410A and R 22 systems. The 78L19, which is identical to 78L1901, features a durable brass body with threaded connections, making it a