I bought a new lockset online for my Phoenix home and I'm not sure it will work with my existing door prep — how do I check compatibility before I commit to the installation?
Door prep involves backset distance, bore hole diameter, door thickness, and handing — if any one of those doesn't match your new hardware, you'll either end up with a lock that doesn't fit or one that installs but doesn't operate correctly. Online product pages frequently omit the edge case specs that matter most in real installations, particularly for older doors or non-standard preps. Before you invest further, call Sundial Locksmith at (480) 525-7778 — we'll confirm compatibility and handle the installation correctly the first time.
