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Constant Differential Performance: Ensures stable cycling with a fixed 6°F differential
and orifices
making it a versatile stock item for service technicians
Color-Coded Identification: the brown spring designation allows for quick visual verification in the field
Carrier KR11AL012 Pulley Fan 30067439-890 Constant Differential Performance: Ensures stableThe Carrier KR11AL012 Pulley Fan is a precision engineered OEM replacement blower pulley designed for large tonnage commercial HVAC systems and air handlers. Featuring a 1 inch bore and an 11 inch outer diameter, this component is critical for maintaining correct HVAC blower speed and static pressure performance. As a fixed pitch pulley, it ensures consistent belt alignment and optimal power transfer from the drive motor to the fan shaft. Technicians
