Protection Measure - Anti-freeze protection when heating system below 7鈩?/p> - Water pump run 1min when standby 24hours - Flameout automatically when exhaust vent suffer high wind - 3.0bar Pressure release Protection - When Burner flameout the gas valve automatic shut down at once - 92'C Overheat Protection - Anti-dry burned Protection - LCD panel show fault code Internal structure diagram of wall mounted furnace锛?/strong> Installation diagram of wall mounted furnace锛?/strong> Technical parameter table锛?/strong>Customized Wall Mounted Gas Boiler website:http://www.chinagasboilers.com/wall-mounted-gas-boiler/