Extra thin, stylish, wall hung, low NOx, condensing, room sealed, gas boiler with electronic ignition and continuous modulation, with DHW production

• Exchanger / Condenser in alluminium /silicon / magnesium  
• Ignition and electronic flame control through single electrode  
• Modulation ratio1:8  
• Total premix burner, with constant combustion ratio, completely electronic (both, gas valve and modulating fan)
• Automatic Feed-back of the combustion through the electrode (that monitors constantly the quality of the combustion)  
• Adjustment of output according to heating request  
• HWS “Hot Water Speed”: commutation from heating to DHW mode without stopping the pump
• DHW heat exchanger in antiscaling stainless steel, with 12 plates (x 24 kW) and 14 plates (x 35 kW), with “thermal length” optimized for the condensation  
• Management of 2 zones: high / low temperature, with differentiated priority   
• Clever hydraulic filling of the C.H. system (able to indicate possible leakages)  
• Electronic antifreeze function from 5°C  
• Pump over-run function  
• Safety limit thermostat   
• Temperature sensors in flow and return  
• DHW temperature sensor  
• High efficiency pump, complying with the Erp Directive 2015, modulating according to the output request, managed by the on board electronics  
• Two expansion vessels (10 liters total)  
• Automatic airvent  
• Minimum pressure switch against the lack of water  
• Pressure safety valve set at 3 bar  
• Disappearing U/FLY Touch panel board, with outer and room temperature sensors  
• Gateway for Modem connection and remote programming through smartphone, with a dedicated App  
• Connection for diagnostics and programming through computer or portable Programmer  
• Inspection system of the burner and heat exchanger cleaning through quick release clampings  
• Paper template for the predisposition of hydraulic connections  
• Screw anchors for fixing  
• Front panel in colored polymetilmetacrylate  
• Siphon drain for condensates