City Class 20 F 
Forced Draught
Heating
Domestic Hot Water
CH and instant DHW production
- Expansion vessel cap. 8 L
- Copper main exchanger
- Electric three-way valve
- Brass hydraulic group
- ITS (Intelligent Temperature System)
- High quality circulation pump
- Stainless steel plate ti plate DHW exchanger
- Qnw: 21 kW
- W x H x D: 400 x 700 x 324 mm
- Weight: 30.4 Kg
- Qn/Qmin: 21/9.5 kW
- η30 at Qn: 90.5%
- Flow rate (ΔT 25°C): 11,2 l/min
Qn = Nominal heat input in CH • Qnw = Nominal heat input in DHW • η30 = Useful efficiency at 30% of the heat input
