GBR 89 HA Replacement Motor Assembly $1,645.00 Modular design allows inner motor assembly to be replaced without the need to replace the outer enclosure. Operating Range 240V: 216 – 264 Volts AC RMS, 50/60 Hz, Single Phase Operating Range 120V: 108 – 132 Volts AC RMS, 50/60Hz, Single Phase Max. Static Pressure : 14″ w.c. @ 100 CFM Max Airflow : 545 CFM @ 0″ w.c. Built in speed control to customize performance. Built in condensate bypass. Select options