Nuvola3 Comfort

Standard boilers
Nuvola3 Comfort

Standard boilers

Combi with DHW storage - fanned and open flue

Residential

Wall Hung

The range of Nuvola3 Comfort gas boilers is characterized by long term reliable performance, and it is perfect for large spaces with associated high DHW demand.

Ideal for large families, it is able to control multiple temperature deliveries in multi-zone systems.

The built-in 60 liter stainless steel tank delivers hot water as soon as you turn on a tap.

The removable control panel, which operates as room thermostat, can be installed whererever is convenient.

The brass hydroblock ensures long term reliable performance.

Find a Dealer

Download Area

Characteristics

Models: 240 i/Fi, 280 i/Fi, 320 Fi
Removable control panel operating as room thermostat
Up to 490 liters of hot water in 30 minutes (at ∆t = 30°C)
60-litre stainless steel cylinder
Built-in sanitary 2-litre expansion vessel
Anti-legionella function
Brass hydroblock
Low energy circulating pump with automatic air vent
Overheat limit thermostat for the water/flue exchanger
Hydraulic pressure switch to prevent boiler’s operating in event of low water
AFR system, patented by Baxi, that allows the efficiency optimization thanks to a perfect inlet air regulation (fanned flue models with dual flue system)

Technical Specification

MODELS		280 i	240 Fi	280 Fi	320 Fi	240 i
Heat input/output
Maximum heat input	kW	31,1	26,3	30,1	34,5	27,1
Minimum heat input	kW	11,9	11,9	11,9	11,9	11,9
Maximum heat output	kW	28	24,4	28	32	24,4
Minimum heat output	kW	10,4	10,4	10,4	10,4	10,4
Efficiency at maximum output	%
Heating circuit
Temperature range for heating circuit	°C	30-85 or 30-45	30-85 or 30-45	30-85 or 30-45	30-85 or 30-45	30-85 or 30-45
Water capacity of expansion vessel	l	7,5	7,5	7,5	7,5	7,5
Domestic water circuit
Temperature range for domestic water circuit	°C	35-65	35-65	35-65	35-65	35-65
DHW production ΔT 25°C	l/min	16,1	14	16,1	18,3	14
Specific flow according to EN 625	l/min	19	18,2	19	21,5	18,2
Combustion
Diameter of separate discharge pipes	mm	80/80	80/80	80/80	80/80	80/80
Diameter of coaxial discharge pipes	mm	60/100	60/100	60/100	60/100	60/100
Diameter of the flue tube	mm	140	-	-	-	140
Flue gas mass flow rate (max)	kg/sec	0,024	0,018	0,018	0,022	0,022
Flue gas mass flow rate (min)	kg/sec	0,021	0,017	0,018	0,021	0,021
Electrical characteristics
Power supply voltage	V	230	230	230	230	230
Power supply frequency	Hz	50	50	50	50	50
Dimensions
Humidity protection rating (EN 60529)	IP	X5D	X5D	X5D	X5D	X5D
Dimensions (height/width/depth)	mm	950 x 600 x 466	950 x 600 x 466	950 x 600 x 466	950 x 600 x 466	950 x 600 x 466
Gas type		Natural Gas/LPG*	Natural Gas/LPG*	Natural Gas/LPG*	Natural Gas/LPG*	Natural Gas/LPG*
Net weight	kg	60	70	70	70	60