Genuine LiftMaster K41-0428-000 replacement transformer cover for the Maxum industrial DC operators.
Fitment: LiftMaster Maxum T, J, RJ and JH 700 and 1200 operators.
Covers the transformer on 700 and 1200 units. The 2200 uses K41-0429-000.
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.