2-inch lead length

factory-set to trigger at 4-8 PSI on rising or falling pressure

Electrical Efficiency: Optimized winding design reduces amperage draw

fitting a wide range of OEM blower housings

this kit is specifically designed to fit hermetic compressor terminals used across various Alco and Emerson legacy models

Trane WHL0503 Wheel 328140-751 2-inch lead lengthThe Trane WHL0503 Blower Wheel is a precision engineered 10x8 CW Steel Wheel specifically designed for high static pressure environments in HVAC blower assemblies. This OEM Trane replacement wheel features a 1 2 inch bore and is constructed from heavy duty galvanized steel to ensure dynamic balance and vibration free operation at high RPMs. As a direct replacement for discontinued part numbers including Trane WHL00503, it maintains critical airflow