Hart & Cooley 8" Adjustable Intermediate Wall Support (8TLCIWS)

Used to support the chimney on a through-the-wall installation Includes top plate, side brackets, hardware, non-twist-lock insulated tee cap, and a long L-bracket to hold tee cap in place 2" to 6" clearance away from wall. Supports between 30 feet and 74 feet of chimney, based on size and orientation. See instructions for specific heights used as supplementary support when chimney system height exceeds maximum height allowed by wall support.