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The PORTACOOL BELT2K-45-01K is a replacement drive belt designed for use in PORTACOOL evaporative coolers. Drive belts transfer rotational power from the motor to the fan assembly, keeping airflow consistent and cooling performance on spec. This belt is the correct OEM-replacement part for specific PORTACOOL 2K-series portable evaporative coolers and is installed by HVAC technicians or qualified service personnel during scheduled maintenance or component failure repairs. The unit weighs 2 pounds and ships as a single-piece package.
This belt fits PORTACOOL evaporative cooler models PAC2K482S, PAC2K48HZ, PAC2K48HZ220-50, and PAC2K48HZ220-61. These are large-format portable evaporative coolers typically deployed in commercial, industrial, or agricultural settings where spot cooling or supplemental airflow is required. Replacement of a worn or broken drive belt restores full fan speed and cooling output to the unit. This is a direct drop-in replacement requiring no modification.
Confirmed compatible with PORTACOOL models PAC2K482S, PAC2K48HZ, PAC2K48HZ220-50, and PAC2K48HZ220-61. Also listed for use with model PACJS2701A1 per manufacturer attribute data.
Drive belt replacement on evaporative coolers should be performed by a qualified HVAC technician or experienced service professional. Disconnect and lock out electrical power to the unit before accessing the belt drive assembly. Inspect the motor pulley and fan pulley for wear or misalignment before installing the new belt, as pulley damage accelerates belt wear. Confirm belt tension per the manufacturer service documentation before returning the unit to operation.
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