Jackson Adjustable Spring Power - Body Only

The CRL Jackson® Adjustable Spring Power Overhead Concealed Closer Body is... Read More

The CRL Jackson® Adjustable Spring Power Overhead Concealed Closer Body is designed for A.D.A. barrier-free applications and features an extra long 1-13/64" spindle for that extra "bite" when used in conjunction with Patch Fittings or rail hardware on all glass doors. Its spring power is adjustable from a size 2 through 4 using Patented Dual Compression Technology providing finer spring tension adjustment and greater spring efficiency. With fully independent valves, this closer affords maximum adjustability when trying to balance building codes, stack pressure and keeping the door closed. It will easily retrofit most all fixed spring size Overhead Concealed Closers and is the choice of professionals the world over.