As of May 23, 2011 the Schlage H-Series is assembled with the Schlage B500-Series deadbolt and a new linkage.
If the deadbolt is being replaced for a lock manufactured prior to May 23rd, 2011...
Installers have reported that their AD-CO Series cylindrical or mortise locks will unlock whenever the outside lever is lifted.
This will occur if the outside spindle (square post) is install...
Refer to Table 1 for a list of T lock tailpieces for conventional cylinders. Table 2 shows IC tailpieces. Table 1: T lock conventional tailpieces Table 2: T lock IC tailpieces