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Door Lock Hoist/Jackshaft (DHJ) style commercial door operators are ideal for shopping mall applications with heavier rolling doors and grilles. The operators provide a floor level chain hoist to ease manual operation and include a door lock sensor to prevent damage.
All LiftMaster Openers and Operators should be purchased through a Dealer and professionally installed.
Remote Light Control
3-Button Visor Remote Control
Monitored Dual-Sided Photo Eyes
16' Sectional Door Edge Kit
Door and Gate Monitor
Red - Green Light