Command Access MLRK1-VD22 Motorized Latch Retraction Kit — For Von Duprin 22 Series Exit Devices (Field Install, UL, 3-Year Warranty)Upgrade Von Duprin 22 Exit Devices to Motor Driven Latch Retraction The Command Access MLRK1 VD22 is a field install, motorized latch retraction kit that converts Von Duprin 22 Series exit devices from mechanical to electrified pullback while maintaining UL listings. It hooks directly to the dogging tailpiece and secures with two screwsno rail drilling beyond the wire racewaymaking it a fast, clean retrofit. The kit includes Push to Set (PTS) fine