Effective September 1, 2020, Norton will discontinue plated finishes on Unitrol heavy-duty arms. This discontinuance affects parallel (UNI) and top jamb (UNI-J) arms for the 7500, 7570, 8000, 1600, and 78-B/F Series door closers.
See charts below for specific model numbers
For additional information, please contact your ASSA ABLOY Door Security Solutions sales consultant.