C450RCN-3C | Johnson Controls | Thermostats & Controllers

The System 450 from Johnson Controls/PENN is a family of modular digital electronic controllers that is easily assembled and configured to provide reliable temperature, pressure, and humidity control for a wide variety of commercial HVAC and industrial process applications. The System 450 is designed to replace the System 350 and System 27, and provide many additional features and benefits with a small number of model variations. All of the modules are field configurable out-of-the-box and can monitor and control temperature, pressure and humidity simultaneously.