The Secure C1727 2 Channel Programmable Room Thermostat is a top-of-the-line thermostat that offers advanced features and technology for efficient and convenient temperature control in your home or office. This thermostat is a direct replacement for the Horstmann CentaurPlus ServicePlus Thermoplus, making it easy to upgrade your existing system. With Bluetooth programming and a Smart WIFI add-on option, this thermostat can be controlled remotely through an app on your smartphone or tablet. This allows you to adjust the temperature and settings from anywhere, at any time. The 2 channel design allows for separate programming and control of two different heating zones, providing customizable comfort for different areas of your space. The Secure C1727 also offers secure and reliable temperature control, ensuring that your home or office is always at the perfect temperature. Upgrade to the Secure C1727 for a more efficient and convenient way to control your heating system.