Genuine LiftMaster K41-0478-000 replacement bridge rectifier for the Maxum industrial DC operators.
Fitment: LiftMaster Maxum 2200 lb operators.
The 2200 lb rectifier. The 700 and 1200 use K41-0380-000.
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.