Standard boilers

Eco4S

Heating only and combi with compact dimensions - fanned and open flue
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ECO4S are robust and reliable solutions, best in flats and small homes.

The compact dimensions allow the boiler to be easily located, including in a kitchen cupboard.

Easy to install, use and service, it perfectly matches classic single temperature zone heating systems and domestic hot water requirements.

Simple interface which provides comprehensive information on boiler operation and advanced self-diagnostics. Everything controlled through dedicated buttons for heating and domestic hot water setting, completed by a multi-segment LCD display with icons.

ECO4S are robust and reliable solutions, best in flats and small homes.

The compact dimensions allow the boiler to be easily located, including in a kitchen cupboard.

Easy to install, use and service, it perfectly matches classic single temperature zone heating systems and domestic hot water requirements.

Simple interface which provides comprehensive information on boiler operation and advanced self-diagnostics. Everything controlled through dedicated buttons for heating and domestic hot water setting, completed by a multi-segment LCD display with icons.

Characteristics
  • Compact dimensions (700x400x299 mm)
  • Composit hydroblock
  • Steel burner
  • Digital control panel with back-lit LCD display and dedicated push buttons
  • Primary exchanger made of copper pipes with anticorrosion coating
  • Stainless steel DHW heat exchanger 
  • 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

details

Power KW

10 F, 18 F, 24 F, 24, 1.24 F

destination

Residential

mounting

Wall hung

Power KW

10 F, 18 F, 24 F, 24, 1.24 F

destination

Residential

mounting

Wall hung

Technical Specification

models 1.24 F 24 F 10 F 24 18 F
Heat input/output
Maximum heat input kW 25,8 25,8 20 11,3 26,3
Minimum heat input kW 10,6 10,6 10,6 11,3 10,6
Maximum heat output kW 24 24 18 10 24
Minimum heat output kW 9,3 9,3 9,3 10 9,3
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 6 6 6 6 6
Domestic water circuit
Temperature range for domestic water circuit °C - 35-60 35-60 35-60 35-60
DHW production ΔT 25°C l/min - 13,7 13,7 13,7 13,7
Specific flow according to EN 625 l/min - 11 11 11 10,7
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 - - - - 120
Flue gas mass flow rate (max) kg/sec 0,016 0,016 0,016 0,016 0,020
Flue gas mass flow rate (min) kg/sec 0,016 0,016 0,016 0,016 0,018
Electrical characteristics
Power supply voltage V 230 230 230 230 230
Power supply frequency Hz
Dimensions
Humidity protection rating (EN 60529) IP X5D X5D X5D X5D X5D
Dimensions (height/width/depth) mm 730 x 400 x 299 730 x 400 x 299 730 x 400 x 299 730 x 400 x 299 730 x 400 x 299
Gas type Natural Gas/LPG Natural Gas/LPG Natural Gas/LPG Natural Gas/LPG Natural Gas/LPG
Net weight kg 29,5 30 30 30 29

models 1.24 F 24 F 10 F 24 18 F
Heat input/output
Maximum heat input kW 25,8 25,8 20 11,3 26,3
Minimum heat input kW 10,6 10,6 10,6 11,3 10,6
Maximum heat output kW 24 24 18 10 24
Minimum heat output kW 9,3 9,3 9,3 10 9,3
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 6 6 6 6 6
Domestic water circuit
Temperature range for domestic water circuit °C - 35-60 35-60 35-60 35-60
DHW production ΔT 25°C l/min - 13,7 13,7 13,7 13,7
Specific flow according to EN 625 l/min - 11 11 11 10,7
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 - - - - 120
Flue gas mass flow rate (max) kg/sec 0,016 0,016 0,016 0,016 0,020
Flue gas mass flow rate (min) kg/sec 0,016 0,016 0,016 0,016 0,018
Electrical characteristics
Power supply voltage V 230 230 230 230 230
Power supply frequency Hz
Dimensions
Humidity protection rating (EN 60529) IP X5D X5D X5D X5D X5D
Dimensions (height/width/depth) mm 730 x 400 x 299 730 x 400 x 299 730 x 400 x 299 730 x 400 x 299 730 x 400 x 299
Gas type Natural Gas/LPG Natural Gas/LPG Natural Gas/LPG Natural Gas/LPG Natural Gas/LPG
Net weight kg 29,5 30 30 30 29

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)

Installation and Service Manual (es)

Installation and Service Manual (ar-fr)

Installation and Service Manual (uk)

Installation and Service Manual (ru)

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