HT-OPTION  HES faceplate for use with ASSA model 504 mortise lockset with two latchbolts and a center deadlatch.  

All of the 1000 Series options are interchangeable.  The option kit contains all of the necessary parts to convert the 1006 into the particular model, i.e. 1006 + HT option = 1006HT.

HT (4-7/8" x 1-1/4") For use with ASSA model 504 mortise lockset with two latchbolts and a center deadlatch. Deadlatch or mortise locksets with a 1" deadbolt and a center-lined deadlatch. Strike will not release when deadbolt is extended. Compatible Locksets: ASSA. ANSI/BHMA Numbers: #E09391, #E09392, #E09393, #E09331, #E09332, #E09333. The top latchbolt is released electrically for emergency access. The bottom latchbolt is a passage set (always unlocked) and always retained by the strike, thus requiring manual release.