LiftMaster LM21AFCB Advanced Fire Control Release Device liftmaster k20-1100 LiftMaster Counter Weight for 15'

LiftMaster Counter Weight for 15' Boom

UL 325 Recognized Component

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LiftMaster LM21AFCB Advanced Fire Control Release Device liftmaster k20-1100 LiftMaster Counter Weight for 15'LiftMaster LM21AFCB Advanced Fire Control Release Device The LiftMaster Fire Control LM21AFCB Release Device is a UL ULC listed normally energized, fail safe device incorporating state of the art electronic control circuitry. This release device is designed for manual doors or motorized doors incorporating a reversing electric safety edge to create an automated door closing system, and in conjunction with a temperature fuse link system. The high