Trane TUB8058 Tube 318423-701 Use a certified ECM tester

Use a certified ECM tester or check for proper high-voltage input at the 5-pin connector and low-voltage communication signals at the 16-pin harness

Precision Temperature Control: Calibrated to trigger at 220°F

the defrost thermostat or sensor in the 8620-024 kit is likely out of calibration or open-circuited

Its CCW (Counter-Clockwise) Lead End Rotation is critical for ensuring the blower assembly maintains proper static pressure and airflow delivery throughout the ductwork

Trane TUB8058 Tube 318423-701 Use a certified ECM testerFor field technicians and contractors maintaining high efficiency residential systems, the Trane TUB8058 Tube (also designated as TUB08058) is a critical OEM replacement part designed for accurate burn in and heat transfer cycles. This genuine Trane furnace tube serves as a female transfer component within the gas manifold or heat exchanger assembly, ensuring a sealed, pressurized pathway for combustion gases. Engineered with heavy gauge aluminized