
Determining the correct backset is crucial for a successful ALLEGION 2821 Series Dummy Lever installation. The backset is the distance from the door's edge to the center of the lever assembly's bore hole. To accurately determine and achieve the correct backset, follow these steps:
By carefully following these steps and using the template to precisely mark the hole centers, you'll ensure the correct backset for your ALLEGION 2821 Series Dummy Lever installation.


