Daikin McQuay 802000002 Blower Wheel 318518 761 Proper installation requires secure thermal Proper installation requires secure thermal contact between the sensing bulb and the suction line to maintain accurate superheat control and avoid hunting issues that plague lower quality aftermarket alternatives Common Questions Is the Parker 75740 compatible with both 50Hz and 60Hz cycles Always verify rotation by looking at the hub side of the blower wheel to ensure it matches the motor and housing configuration you must also confirm the wheel diameter and width to ensure it clears the scroll housing and provides the correct airflow profile