Lennox 13Y19 TXV Valve 30067439-890 If it shows high resistance

If it shows high resistance or is open at room temperature

20HP at 480V

This valve utilizes standard 3/8" NPT threading

allowing technicians to fine-tune airflow across 1100 RPM to balance static pressure and CFM requirements

Lennox 13Y19 TXV Valve 30067439-890 If it shows high resistanceThe Lennox 13Y19 TXV Valve provides critical refrigerant metering for high performance residential and commercial split systems. This 1. 5 3 Ton R410 TXV Valve is engineered to maintain precise superheat levels by regulating flow into the evaporator coil, preventing liquid slugging and ensuring the compressor operates within design parameters. As an externally equalized thermostatic expansion valve, the 13Y19 responds dynamically to load variations,