· 18KW-28KW wall hung gas boiler, Bi-thermic heat exchanger,with heat efficiency 91%~92%

· Mechanical knob control on the panel

· Self-diagnostic system controlled by electronic board

· Adjustable DHW (domestic hot water) temperature between 35-60°C

· Continuous electronic modulation of the flame in HEATHING and DHW mode

· Regulation of the minimum and maximum of the admissible value of the useful output

· continuous modulating gas valve

· flowmeter for detecting the DHW discharge

· NTC temperature sensors with ultra-rapid response on the heating and DHW circuits

· different operating modes for the user and the installer

· the possibility of connecting a chronothermostat or an external temperature probe

· "Comfort" function allowing the user not combine the hot water with the cold water anymore necessary for shower but open only the DHW tap

·  Anti-block function of the circulation pump. Integrated air purging device.