The Reliance Controls KF06 Flush Mounting Kit allows you to easily flush mount any 4-Circuit or 6-Circuit transfer switch. This can be particularly handy if your existing main load center is recessed into the wall. Reliance Controls Corporation specializes in the manufacturing of a wide variety of electrical products. The primary product line consists of heavy duty time clocks and controls, generator accessories, transfer switches and transfer panels for portable generators and inverters. And after over a century of innovation, Reliance Controls Corporation has built an enviable reputation for high quality, superior engineering and exceptional customer service.