FERROLI QUADRIFOGLIO B 70...
High-Efficiency Vertical Operation Floor Boiler with Low Heat Load and Large Water Capacity, Heat Exchanger Made of AISI 316 Ti Stainless Steel Pipes, with Elements in Helical Arrangement, Vertical Spray Premix Burner with Micro Flames and Low NOx Pollutant Emissions, Electronic Control Panel, Equipped with Supply and Return Temperature Sensor and Water Piezostat