Hydro-Guard® HG-8 Automatic Flushing System DatasheetSource: Mueller Co.
The Hydro-Guard® HG-8 Flushing System is designed to be installed with all of its components located well below the frost-line to avoid freezing, yet remain easily accessible at ground surface for programming or for maintenance. It uses the field proven design of the Mueller® Thermal-Coil® Box. In this design, all components are mounted on a movable platform and connected to inlet and outlet piping through flexible coiled tubing. This arrangement allows the platform to be raised to the surface easily, then lowered for normal service deep below the frost line where the components are protected against freezing temperatures.