Gas boiler KON B

for heating onlywall-mountedresidential

Wall hung, Low NOx, modulating and condensing gas boiler with totally premixed burner - room sealed type - electronic ignition - with D.H.W. production. through a 60 litres, stainless steel, “superfast” storage tank – Isolation degree IPX4D Heat exchanger - Condenser in aluminium / silicon / magnesium Totally premixed burner with constant combustion ratio, with electro-pneumatic gas valve and modulating fan “Superfast” 60 litre storage tank in stainless steel, with diffuser system for the maximum efficiency, inspectable, with magnesium anode Integral hydraulic group composed from: - Modulating pump: for heating and DHW priority (storage tank loading) with system anti-jamming, endowed with integral automatic vent - Three way electric diverting valve for priority to the storage tank - Automatic differential bypass Modulation ratio 1:6,3 Electronic panel board that can be translated in vertical to facilitate the electrical connections and the maintenance Inlet of on-off / modulating thermostat and external temperature sensor Ignition and ionization though just one electrode High efficiency pump, modulating according to the requested output, managed by the electronic PCB and conforming to the Erp Directive of 2015 Safety valve 3 bar Safety limit thermostat Flow temperature sensor Return temperature sensor D.H.W. temperature sensor (in the storage tank) C.H. expansion vessel of 10 litres D.H.W. expansion vessel of 3 litres. Management of 2 zones: High / Low temperature with different priority Pump anti-jamming Post-circulation of the pump Anti-legionella disease Anti-fast function Special services for adjustment and calibration according to the rules in force