Lennox 78L19 Expansion Valve Refrigerant Advanced Sensing: Uses the EL1214

Advanced Sensing: Uses the EL1214 probe for accurate conductivity-based detection

or 5-2 scheduling with a 2-pipe fan coil changeover input for seasonal efficiency

it provides the necessary phase shift for split-phase motors to maintain optimal torque and energy efficiency

ensuring the system shuts down immediately if a flame is not detected

Lennox 78L19 Expansion Valve Refrigerant Advanced Sensing: Uses the EL1214Proper 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