The Genie 109979.0001.S is a Handwheel Assembly designed for Genie commercial door operator systems. This Service Replacement Handwheel Assembly for Genie Commercial Operators provides reliable OEM-grade performance for service and replacement applications. Mounting: Shaft-mounted. Compatible with Genie commercial door operators with manual chain-hoist mechanism, Genie SX series, Genie MX series.
A: 109979.0001.S is differentiated from 109965.0001.S by bore size. The 109965 is confirmed at 5/8 inch bore; 109979 has a different bore dimension suited to a different shaft size. Confirm shaft diameter before ordering.
A: The handwheel assembly allows manual chain operation of the commercial door operator when the motor is not engaged, providing a means to raise or lower the door by hand.
A: The .S suffix designates this as a service replacement part for field installation rather than a factory-build component.
A: Exact bore size for 109979.0001.S is not confirmed in available documentation. Consult Genie parts documentation or contact Genie technical support with your operator model number to verify fit.
A: Measure or confirm the shaft diameter on your Genie commercial operator, then cross-reference with Genie parts documentation to verify which handwheel assembly bore matches your application.
