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Thermal barrier thresholds are designed to eliminate the transfer of hot and cold temperatures from one side of the threshold to the other
Adjustable spring sizes
Complete kit with easy to install mounting hardware and detailed instructions
Energy-efficient motorized latch retraction utilizes standard 2 amp power supply
(Optional) Fire Rating: UL Listed for “A” Label 3 Hour Fire Doors (no dogging on fire-rated devices)
28-60-11G37-LL T-Zone Classroom Lever Lockset, LFIC Prep, Less Core Finish:Satin Brass Thermal barrier thresholds are designedSargent 28 60 11G37 LL Grade 1 T Zone Bored Lock, Classroom Function, L Lever, L Rose, LFIC Prep, Less Core The SARGENT 11 Line has a unique, T Zone construction providing strength and durability for the most demanding applications such as schools and hospitals. This is accomplished by true interlocking between the lockbody and the latchbolt. Reliable: no through bolts or surface screws to be installed. T Zone construction prevents the lock from
