Standard boilers

Nuvola3 Comfort

Combi with DHW storage - fanned and open flue
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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.

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.

Characteristics
  • 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)

details

Power KW

24 F, 28 F, 32 F, 24, 28

destination

Residential

mounting

Wall hung

Power KW

24 F, 28 F, 32 F, 24, 28

destination

Residential

mounting

Wall hung

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

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

*LPG operation with conversion kit

Benefits

reliability

Consistent performance over time in all conditions and long-lasting components

efficiency

Our products are designed for an effective use of energy and to achieve optimal performance

italian design

A combination of elegance, tradition and innovation

complete offer

We offer affordable, complete and tailor-made solutions for every customer

comfort

We care about your comfort: feel good at your home!

sustainability

Baxi is committed in reducing waste, energy-efficiency and eco-friendly production

durability

Simply strong and long lasting without
getting damaged.

efficiency

Simply strong and long lasting without
getting damaged.

italian design

It is not necessarily linked to luxury,
but it is fueled with taste.

connectivity

The Internet of Things let objects “talk”
to each other.

comfort

Feeling good in your own space.

a+ class / h2 ready

Sustainability and hydrogen are the
key factors to our future.

download area

Installation and Service Manual (en-ru-fr)

Installation and Service Manual (uk)

Installation and Service Manual (cn)

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