Sentinel 3000 series Overhead Concealed Closer

Sentinel Door Controls Overhead Concealed Closers offer an aesthetically pleasing way to control a door opening. They are suitable for a wide range of both interior and exterior applications, including aluminum, wood, and hollow metal doors and frames. In addition to providing years of maintenance-free operation, the Sentinel 3000 Series is easy to select, easy to order, and easy to install.  It is the perfect replacement option!FEATURES:■ Easy to adjust Closing and Latch Speedsafter installation■ Easily fits into headers as small as 1-3/4” x 4”■ Positive centering to hold door closed againstwind or draft■ 5 year warrantyEASY CROSS REFERENCE CHART: Dor-O-Matic                          OHC 100 Series   Norton  4900  Rixon  608, 0608, 700, 0700, 800  Dorma  RTS88  Sentinel  3000 Series  Jackson  20-330  Global  TC7000  International  Series 100 and Series 200  Kawneer  Husky II  Ryobi  30 Series