5700 Series Operator Features Size 1-6 1601 Door Closer The Norton 5700 Series low energy operator will use the 1601 size 1-6 adjustable door closer body, effective immediately. This update will allow one unit to cover spring sizes 1 through 6. With this change, models 5711, 5731 and 5741 are discontinued. The 5700 Series' proven, long-term reliability is further enhanced by key features of the 1601, including a heavy-duty, cast aluminum body and rigorous testing. This unit installs in minutes rather than hours and consists of three basic components: inverter, motor and the 1601 closer. Features Push or pull side mounting Non-handed ANSI/BHMA A156.19 certified UL / cUL listed for use on fire rated doors ADA compliant The 5700 Series is available for order now. Standard lead times apply. How to Order See chart below for new model ordering information: Discontinued Model Description New Model Description 5711 Pull Side, Size 1-4 Closer 5710 Pull Side, Size 1-6 Closer 5731 Push Side, Size 1-4 Closer 5730 Push Side, Size 1-6 Closer 5741 Universal, Size 1-4 Closer 5740 Universal, Size 1-6 Closer For additional information, contact your ASSA ABLOY Door Security Solutions sales consultant.