Wall-hung condensing premix boiler with instantaneous production of hot water, sealed chamber
Main Characteristics:
Efficiency class (92/42/EEC directive)
Class 5 NOx;
Polypropylene shell;
Thermopolymer-covered stainless steel heat exchanger;
24, 28 and 32 kW Output;
Modulation range 1:9
Modulating gas valve with constant air-to-gas ratio;
Adjustable maximum heating output;
Room temperature can be set from the boiler if an external probe is installed;
Fully pre-mixed burner;
3-speed pump with integrated air purging device;
10 l heating expansion vessel;
26-plate DHW heat exchanger;
Variable-speed combustion fan;
Microprocessor control board;
LCD control panel with self-diagnosis function;
Multifunctional relay for connection to systems with zone valves or to solar systems or to remote boiler shutdown alarms;
Controls to manage three different types of solar thermal systems fitted as standard
Associated with a solar calorifier;