Precise Threads: Features clean 1 1/4" and 3/4" NPT threading to simplify installation and reduce the risk of job-site leaks

this thermal expansion valve kit typical includes the necessary hardware for standard installation

Optimized Signal Accuracy: Delivers a consistent and reliable microamp current to eliminate nuisance "no-flame" error codes

Key Benefits Precise Thermal Calibration: Calibrated to open at 195°F and close at 115°F to ensure rigorous safety standards for Carrier furnace parts

utilizing a genuine HVAC blower relay ensures the structural integrity of your furnace or heat pump remains intact

Lennox 15K11 Wire Harness 318973-401 Precise Threads: Features clean 1LOWER IGN CONTROL WIRE HARNESS