Baxi Megaflo System HE A

The Baxi Megaflo System HE A boiler combines high efficiency and excellent environmental credentials with performance and style.  For homes with a high demand for hot water, or with more than one bathroom, it will satisfy all your hot water requirements while heating your home.

It has the highest SEDBUK Band 'A' rating, so it will reduce your energy bills compared with old, standard efficiency boilers, and lower your carbon emissions.

The Baxi Megaflo System HE A is now available with a 7 year warranty when registered before 31st December 2015*.

*Terms and conditions apply

Find out more on our warranties page

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.

Megaflo HE A

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  • A wide range of outputs up to 32kW to suit different sizes and styles of property
  • SEDBUK Band 'A' rated, the highest energy efficiency rating
  • Energy Saving Trust endorsed product
  • Seven year parts and labour warranty*
  • Aftersales services provided by Baxi Customer Support
  • Compatible with the market-leading Megaflo Eco hot water storage cylinder and solar cylinder
  • Can be used in conjunction with Baxi Solarflo solar thermal, giving you the opportunity to save even more on your annual energy bill

*Terms and conditions apply

Megaflo system HE A clearance

A: Boiler width = 450mm

B: Boiler height = 780mm

C: Boiler depth = 345mm

D: Side clearance = 5mm

E: Upper clearance = 200mm

F: Lower clearance = 150mm

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

Megaflo System HE A 15KW Megaflo System HE A 18KW Megaflo System HE A 24KW Megaflo System HE A 28KW Megaflo System HE A 32KW
Heat Output Central Heating (CH) (70°C Mean) kW (Max) 15 18 24 28 32
kW (Min) 3.9 4,.2 9.4 9.4 9.4
NOx Class 5 5 5 5 5
NOx Levels mg/kWhr 27.5 31.7 22.3 21.8 26.8
SEDBUK 2005 Seasonal Efficiency NG % 91.2 91.2 91.2 91.2 91.2
SEDBUK 2009 Seasonal Efficiency NG % 89 89 89 89 89
Mechanical & Hydraulic Connections
CH Flow/Return Pipe Size (mm) 22 22 22 22 22
Condensate Discharge Pipe Size (mm) 21.5 21.5 21.5 21.5 21.5
  • Pre-plumbing jig, complete with pre-formed copper pipe tails, built in filling loop and 1 metre mains cable to save the installer time and money during installation
  • Compatible with Multifit flue kits, which provide an industry leading choice of lengths, bends and accessories, allowing for versatile siting
  • Front access to all components for straightforward and quick servicing
  • Free of charge Baxi product training throughout the UK
  • Free Gas Safe notification and warranty registration online, saving you time and money on any Baxi boiler you install through the works loyalty scheme

The Baxi Megaflo System HE A is compatible with a range of accessories & and products ensuring even greater efficiency and energy saving.

  • Baxi Solarflo thermal range using free energy from the sun to generate hot water
  • Megaflo Eco and Megaflo Eco Solar hot water storage cylinders
  • Baxi room thermostat which can achieve additional savings of £70 and 280 kg carbon dioxide a year according to Energy Saving Trust.

Baxi's system boiler range comes with product literature for homeowners and installers alike. To learn more about the features the Baxi Megaflo HE A has to offer, plus gain knowledge of the boiler, download our documents.

  • Megaflo HE A brochure (PDF 0.65MB, 09/10/2014)
  • Megaflo HE A installation instructions (PDF 7.86MB, 09/10/2014)
  • Megaflo HE A user operating instructions (PDF 1.22MB, 09/10/2014)
  • HE A range guide (PDF 4.98MB, 09/10/2014)
  • Find an installer or find a boilerWe have Gas Safe Registered installers all over the UK who will be able to give you a quote for the installation of your new boiler. To use our handy find an installer tool, simply enter a few details and we'll do all the hard work for you by contacting them on your behalf.

    The installer will get in touch to arrange a site survey to give you a competitive, no obligation quote.

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     For more information about this type of boiler, please use the links below:

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    Download documents about the Baxi Megaflo System HE A, from installation information, to brochures and user guides.