City Open 35 K
Condensing
Heating
Domestic Hot Water
Modulation 1:10
CH and instant DHW with premix burner, outdoor in wall
- KIWA Certification for operating with mixtures of methane gas and hydrogen up to 20%.
- Possibility of discharge Ø 50 mm (rigid and flexible) up to 40 m
- Condensing stainless steel heat exchanger with extra wide water passages
- Modulation ratio 1:10
- Antifreeze protection -10°C
- Smart adaptive gas valve
- Condense siphon
- Brass hydraulic group
- Control panel inside the boiler (for service)
- ICS (Intelligent Combustion System) it guarantees a perfect combustion in all conditions
- 6 NOx Class in accordance with UNI EN15502-1
- Intelligent remote control as standard
- W x H x D: 520 x 850 x 240 mm
- Weight: 39.8 Kg
- Qn/Qmin: 28/3.5 kW
- η30 % at Qn: 106.7 %
- Flow rate (ΔT 25°C): 18.7 l/min
Qn = Nominal heat input in CH • Qnw = Nominal heat input in DHW • η30 = Useful efficiency at 30% of the heat input
