Baxi EcoBlue Advance Combi

The latest addition to our Combi boiler range, the new Baxi EcoBlue Advance Combi has many features that make it easy to install and commission.

For extra peace of mind we are also offering a 10 year warranty* on the new Baxi EcoBlue Advance Combi when purchased before 31st December 2017.

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Baxi EcoBlue Advance Combi
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  • Available in outputs of 24kW, 28kW, 33kW and 40kW so there is a model to suit the heating and hot water needs of almost any property
  • Exceptional hot water flow rate of up to 16.4 litres per minute for increased comfort and convenience
  • Easy to install saving time and cost
  • Comes with a 10 year warranty* when purchased before 31st December 2017
  • Made with high quality Baxi Genuine Parts
  • Rigorously tested to meet our exceptional quality control and reliability expectations

*Subject to registration before 31st December 2017 and an annual service. Terms and conditions apply.



EcoBlue Advance Combi clearance diagram

A: Boiler width = 450mm

B: Boiler height = 763mm

C: Boiler depth = 345mm

D: Side clearance = 5mm

E: Upper clearance = 175mm

F: Lower clearance = 150mm

G: Front clearance = 5mm in operation, 450mm for servicing

View product specification

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  • Full wall mounting jig with positive fixing, easy to access boiler connections, gas test point on gas tap and integral filling loop for straight forward and quick installation
  • Exceptional hot water flow rate up to 16.4 litres per minute
  • Industry leading choice of flue lengths, bends and accessories, allowing for versatile siting
  • Front access to all components for straight forward installation
  • One metre lead provided for ease of installation and no need to access the control box
  • Large industry choice of flue lengths, bends and accessories for versatile installation

Baxi EcoBlue Advance Combi  24 28  33  40 
 Sales Code Boiler Only  7219515 7219516 7219517 7219518


Concealed Used Controls    Yes Yes  Yes  Yes 
User adjustable DHW temperature Range - 40° to 60° Yes Yes  Yes  Yes 
User adjustable CH temperature   Range - 25° to 80° Yes  Yes  Yes  Yes
Temp/status/fault diagnosis display   LCD display  LCD display  LCD display  LCD display 
Baxi plug-in mechanical timer     Optional  Optional   Optional  Optional 
Baxi plug-in technical timer     Optional  Optional  Optional  Optional 
Baxi wireless mechanical RF thermostat    Optional   Optional  Optional  Optional 
Baxi wired outdoor weather sensor -combi     Optional   Optional  Optional  Optional 
Baxi single channel wired programmable room thermostat    Optional   Optional  Optional  Optional 
Baxi single channel wired programmer     Optional   Optional  Optional  Optional 
Baxi room thermostat     Optional   Optional  Optional  Optional 
SAP 2009 Annual Efficiency (PCDB/SEDBUK)  % 89.1  89.1  89.1  89.1 
NOx class   
ErP Product Information
NOx  mg/kWh     22 20 24 24
Sound Power Level, Indoors  LWA dB 51 52 53 55
Space Heating Efficiency Class   A A A A
Water Heating Declared Load Profile   XL XL XXL XXL
Water Heating Efficiency Class   A A A A
Heat Input CH  kW max Gross(QnHs) 22.2 26.6 31.1 35.5
 kW min Gross (QnHs)         5.2 6.3 7.6 8.9
Heat Output CH (non condensing)  kW max (Pn) 20 24 28 32
 kW min (Pn) 4.6 5.5 6.6 7.8
Heat Output CH (condensing)  kW max (PnC) 21.2 25.3 29.6 33.9
 kW min (PnC) 4.9 6.0 7.1  8.4 
Gas supply pipe size  (mm)  22  22  22  22 
Flow/return pipe size  (mm) 22  22  22  22 
Mechanical and hydraulic  
Domestic hot water (DHW) Input - kW (max) gross 27.4  32.1  37.7  45.7 
Input - kW (max) net  24.7 28.9  34.0  41.1 
Output - kW (max)   24 28  33 40 
Maximum DHW flow rate (Delta T @ 35°max) l/min  9.8  11.5  13.5  16.4 
Maximum DHW flow rate required   l/min  2.0* 2.0*  2.0*  2.0* 
Maximum operating DHW pressure required   bar  0.15  0.15  0.15  0.15
Maximum DHW system pressure   bar  8
Safety discharge pressure   bar  3.0 3.0  3.0   3.0
Compartment ventilation required    No  No  No  No 
Inlet supply pressure (natural gas)  mbar (nominal)  20  20  20  20 
Maximum gas rate (natural gas after 10 mins) m3/hr  2.61  3.05  3.59  4.35 
Temporary filling loop supplied     Yes  Yes  Yes  Yes 
Integral expansion vessel   Size (litres)  10  10 
CH system inhibitor required    Yes  Yes  Yes  Yes 
Condensate discharge pipe size   (mm)  21.5  21.5  21.5  21.5 
Electrical supply   Volts/Hz  230V/50Hz  230V/50Hz   230V/50Hz   230V/50Hz  
Permanent live required     Yes  Yes  Yes  Yes 
Electrical power cable fitted as standard 1m of 3 core   Yes Yes  Yes  Yes 
Power consumption when firing   Watts  85 90  95  100 
External fuse rating Amps  3
Internal fuse rating   AH  F2L  F2L  F2L  F2L 
Boiler IP rating (electrical protection) without integral timer fitted  Approval category   IPX5D  IPX5D  IPX5D  IPX5D 
Circulating pump exercise feature     Yes  Yes  Yes  Yes 
Pump overrun     Yes  Yes  Yes  Yes 
Integral 'boiler only' frost thermostat    Yes  Yes  Yes  Yes 
Concentric flue system 
Standard telescopic concentric flue Length in mm 315-500  315-500  315-500  315-500 
Horizontal concentric (60/100 mm)  Max equivalent length (m)  10  10  10  10 
Reduction per 135°bend (m)  0.5  0.5  0.5  0.5 
Reduction per 93° bend (m) 
Horizontal concentric (80/125mm)  Max equivalent length 20 20 20 20
Twin pipe flue system  
Horizontal twin tube (80/80mm)  

Max equivalent length (both tubes in parallel) (m)

15  15  15  15 
Reduction per 135° bend (m)  0.25  0.25  0.25  0.25 
Reduction per 93°bend (m)   0.5  0.5  0.5  0.5 
Installer lift weight   Max (kg)  36.0  36.0  38.0  39.0 
Gross packaged boiler weight  (kg)  42.3  42.3  42.3  42.3 

 * Where low flow taps or fittings are intended to be used in DHW systems connected to Baxi combination boilers it is strongly recommended that the DHW flow rate does not fall below 2.5 l/min to ensure reliable operation.


Improve the overall efficiency and increase the performance of your heating and hot water system by adding one or more of our accessories.
For more information please speak to your installer as they will be able to advise you on the controls that are right for you.

  • Baxi plug in mechanical timer
  • Baxi plug-in digital timer
  • Baxi wireless mechanical RF thermostat
  • Baxi wireless RF digital programmable room thermostat
  • Baxi wired programmable room thermostat
  • Baxi single channel wired timer
  • Baxi room thermostat
  • Multifit GasSaver GS1c
  • Baxi wired weather sensor - combi

Visit our controls page for more information on additional heating and water accessories.

You can download product information on the EcoBlue Advance Combi here:

  • Baxi EcoBlue ErP range guide (PDF 3.69MB, 14/06/2017)
  • Baxi EcoBlue Advance Combi ErP homeowner guide (PDF 0.70MB, 10/05/2017)
  • Baxi EcoBlue Advance Combi ErP user guide (PDF 0.69MB, 10/05/2017)
  • Baxi EcoBlue Advance Combi ErP installation and servicing manual (PDF 10.11MB, 10/05/2017)
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