Genuine LiftMaster CHAINTENSDC 1 in. chain tensioner spreader bar for the Maxum industrial DC operators.
Fitment: LiftMaster Maxum JDC, RJDC, JHDC and TDC industrial DC operators.
For 1 in. output shafts. The 1.25 in. version is CHAINTENS125DC.
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.
