Can I install the ARM-A-DOR on door jambs deeper than 6 3/4" ? February 12, 2026 20:14 Updated Catalog FAQs Can I install the ARM-A-DOR on door jambs deeper than 6 3/4"? Answer The standard ARM-A-DOR fits doors with jamb depths up to 6 3/4 inches. Use a low-profile kit to install the unit on deeper jambs. Applies To ARM-A-DOR Related to Arm-A-Dor Related articles ARM A DOR FAQ's Why is my Arm-A-Dor beeping at me twice every few seconds? What to do if there's damage to the key cylinder? Why is my Arm-A-Door is not arming when I turn the key ? Precision 2300 Series Mortise Exit Device