Genuine LiftMaster ARK auto reconnect trolley kit for the Maxum industrial DC operators.
Fitment: LiftMaster Maxum TDC7 trolley operators.
Reconnects the door arm automatically after a manual release.
Ordering the right part depends on the full model number, which is printed on the operator label. Call GateHouse Supplies if you are not sure — we service these units every day.
