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This is the official direct cross version of the B4310407
This part number typically refers to the coil assembly with lead wires
ensuring the sensing element is positioned accurately within the heat exchanger airflow to prevent thermal overloading
designed to withstand the thermal demands often found in rooftop unit (RTU) cabinets and machinery enclosures
Trane WHL0324 Blower Wheel 30067439-890 This is the official directThe Trane WHL0324 is a precision engineered 10 5 8 x 9 1 2 CW blower wheel designed for high performance air delivery in furnace and air handler applications. This centrifugal blower wheel features a 1 2 inch bore and is built for consistent clockwise (CW) rotation, ensuring optimal airflow and static pressure management across your HVAC blower assembly. For veteran technicians, the WHL0324 is a critical OEM replacement part that maintains the