Baxi EcoBlue + Combi

One of our newest Combi boilers, the Baxi EcoBlue + Combi is a powerful, compact boiler that delivers excellent performance.

Its compact size means that it fits easily into any home. For extra peace of mind the EcoBlue + Combi comes with a 7 year warranty as standard*.

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

Please note: warranty and purchasing information on this site applies to the UK only. For information on how to buy these products in the Republic of Ireland, please visit Baxi Potterton Myson.

EcoBlue + CombiA: Boiler width = 390mm

B: Boiler height = 700mm

C: Boiler depth = 295mm

D: Side clearance = 5mm

E: Upper clearance = 175mm

F: Lower clearance = 150mm

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

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  • Easy to install and maintain - full wall mounting jig with positive fixing, easy to access boiler connections, gas test point on gas tap and integral filling loop
  • Industry leading choice of flue lengths, bends and accessories, for versatile siting
  • Front access to all components for quick servicing
  • Full range of simple plug in timers available
  • One metre lead provided for ease of installation, no need to access the control box


Baxi EcoBlue+ Combi ErP  24 28  33 
Sales Code Boiler Only 


7219499 7219500


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

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

15  15  15 
Reduction per 135° bend (m)  0.25  0.25  0.25 
Reduction per 93°bend (m)   0.5  0.5  0.5 
Installer lift weight   Max (kg)  34.0  34.0  36.0 
Gross packaged boiler weight  (kg)  39.2  39.2  41.2 


*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/minutes to ensure reliable operation. 


Additional heating and hot water accessories can improve the overall efficiency and performance of your heating system. This could reduce your fuel consumption and your energy bills.

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
  • Stand off bracket
  • Rear piping kit

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

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

  • Baxi EcoBlue+ Combi ErP homeowner guide (PDF 4.39MB, 06/07/2017)
  • Baxi EcoBlue ErP range guide (PDF 3.69MB, 14/06/2017)
  • Baxi EcoBlue+ Combi ErP installation and servicing manual (PDF 11.02MB, 08/03/2017)
  • Baxi EcoBlue+ Combi ErP user guide (PDF 6.05MB, 08/09/2016)
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