Generac 6721 Generator Manual
Generac 6721 Generator Manual. View the Generac 6721 Generator manual. Here is a product manual for a Generac Guardian 16kW Aluminum Home Standby Generator. Generac built this generator with an aluminum sound attenuated enclosure that limits sound pressure to a low 66 decimals. It can be installed within 18 inches of a building if your local building codes allow. This generator does require an automatic transfer switch. You are viewing the manual and parts listings for the Generac 6721 Generator .