Description
The 270-301-EZ consists of the 270 rack and pinion controller mounted atop a right angle bracket that is fastened to a stud above a sheetrock or gypsum board ceiling. A 2 1/4†hole is cut in the sheetrock for access to the controller and is covered with a 3†cover plate that is secured by two 6-32 x 5/8†stainless steel machine screws that are removed for damper adjustment.