To convert a single cylinder deadbolt to (or from) a classroom function, replace the complete inside turn unit per the following.
Single Cylinder Deadbolt to Classroom:
To convert from a B660/760/860 to a B663/763/863: Order the B663 turn, 12-618, and replace.
Classroom to Single Cylinder Deadbolt:
To convert from a B663/763/863 to a B660/760/860: Order the B660 turn, 12-617, and replace.INFORMATION PROVIDED THROUGH THIS SITE IS PROVIDED TO YOU AS IS WITHOUT ANY EXPRESS REPRESENTATIONS OR WARRANTIES OF ANY KIND, AND WE MAKE NO REPRESENTATION OR WARRANTY THAT THIS SITE(OR ANY INFORMATION PROVIDED IN RESPONSE TO YOUR INQUIRY), WILL BE ACCURATE, COMPLETE, OR ERROR-FREE.
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