Trane HUS3518 Fan Housing & Wheel Assembly 318973-401 preventing nuisance lockouts and ensuring

preventing nuisance lockouts and ensuring the main burner ignition sequence completes safely within factory timing parameters

The 3-wire humidity transmitter configuration uses standard 1/4 inch male spade terminals

It maintains the same 1-inch sizing and 125 psi pressure setting while upgrading the material to current lead-free standards

This unit replaces several older legacy components and is essential for maintaining the safety parameters of RBEH

Trane HUS3518 Fan Housing & Wheel Assembly 318973-401 preventing nuisance lockouts and ensuringThe Trane HUS3518 Fan Housing & Wheel Assembly is a critical OEM replacement part engineered for high performance HVAC air handling units. When troubleshooting static pressure issues or excessive vibration in Trane blower assemblies, replacing the entire housing and wheel ensures factory spec tolerances are maintained. This assembly is designed to optimize airflow velocity and reduce mechanical stress on the motor shaft, preventing premature bearing