Avanta Exclusive

The Baxi Avanta Exclusive Combi boiler comes with a 5 year parts and labour warranty as standard. It is so compact that it can be installed almost anywhere, and will provide plenty of heating and hot water while reducing your energy bills.

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.

Baxi Avanta Exclusive

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  • Sedbuk (2005) A rated high efficiency boiler
  • Available in 28, 35 & 39kW with wide modulation range
  • Available with a 5 year parts and labour warranty as standard for complete peace of mind
  • Extended warranty up to 7 years available. Ask your installer for details*
  • Lightweight compact design for flexible siting
  • Intuitive boiler control display
  • Optional iSense wireless control
  • Optional LPG kits available for off mains gas areas

*Terms and conditions apply. Ask your installer to visit www.works2gether.co.uk for more information.

Avanta ExclusiveA: Boiler width = 400mm

B: Boiler height = 670mm

C: Boiler depth = 300mm

D: Side clearance = 5mm

E: Upper clearance = 250mm

F: Lower clearance = 250mm

G: Front clearance = 600mm for servicing

Unit of measure Baxi Avanta Exclusive 28 Baxi Avanta Exclusive 35 Baxi Avanta Exclusive 39
Part number (boiler only) 7604058 7604059 7604060
Standard Horizontal Flue 720698701 720698701 720698701
Concealed User Controls Yes Yes Yes
On/Off Switch with Reset Yes Yes Yes
User Adjustable DHW Temperature and CH Temperature Yes Yes Yes
Gas Supply Pipe Size mm 22 22 22
Natural Gas Yes Yes Yes
LPG (Butane/Propane) Optional Optional Optional
Gas Consumption Natural Gas (LPG) m3/hr 3 (1.2) 3.5 (1.3) 3.9 (1.6)
Heat Output Central Heating (minimum/maximum) kW 5.8/22 6.1/30 6.3/34
Heat Output Domestic Hot Water kW Max 28 35 39
Maximum Domestic Hot water Flow Rate l/min@35°c rise 11.4 14.2 15.9
SEDBUK (2005) Rating Band A A A
Seasonal Efficiency NG/LPG (2005) % 90.4 90.3 90.3
Seasonal Efficiency NG/LPG (2009) % 89.1 89.5 89.7
N0x Class 5 5 5
N0x Levels mg/kWhr 37 38 39
Electrical supply Volts/Hz 230/50 230/50 230/50
Permanent Live Required Yes Yes Yes
Fitted Electrical Cable Yes Yes Yes
Power Consumption Watts 115 150 180
External Fuse Rating Amps 3 3 3
Ingress Protection Rating (without mechanical timer fitted) IP X4D X4D X4D
24-hour Pump Exercise Yes Yes Yes
Integral Boiler Only Frost Thermostat Yes Yes Yes
Mechanical and Hydraulic
Mounting plate including taps Yes Yes Yes
CH Flow and Return Pipe Size mm 22 22 22
DHW Flow and Return Pipe Size mm 15 15 15
Condensate Discharge Pipe Size Inch 3/4 3/4 3/4
Min Domestic Hot Water Flow Rate litres/min 1.2 1.2 1.2
Min Domestic Hot Water Operating Pressure bar 0.5 0.5 0.5
Minimum Operating Water Pressure bar 1 1 1
Safety Discharge Pressure bar 3 3 3
Integral Expansion Vessel Capacity litres 8 8 8
Filling Loop Included Yes Yes Yes
Concentric Flue System
Standard Telescopic Horizontal Flue Kit Length mm 315 - 500 315 - 500 315 - 500
Max Equiv Length Horizontal/Vertical 60/100 / (80/125) m 6 (29) 7 (30) 5 (25)
Equivalent Length per 135' Bend (60/100) & (80/125) m 1 (0.9) 1 (0.9) 1 (0.9)
Equivalent Length per 93' Bend (60/100) & (80/125) m 1.3 (2.5) 1.3 (2.5) 1.3 (2.5)
Max Installation Lift Weight kg 30.5 32 34.5
  • Available from independent merchants only
  • Extended warranty up to 7 years available to works members. Terms and conditions apply. Visit www.works2gether.co.uk for more information
  • Fully compatible with the Multifit flue system
  • Mounting plate including taps for faster, easier installation
  • Filling loop provided for your convenience
  • Compact design with low lift weight
  • System bypass protects against overheating without external bypass
  • Clear and visible pressure gauge for easy commissioning and use
  • Market-leading support from our dedicated sales team for the independent market
  • 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 works loyalty scheme

Compatible accessoriesAdditional heating and hot water controls can improve the overall performance of your heating system by as much as 13% (according to ErP Directive drafts), dramatically reducing the amount of fuel you use - and the amount you pay for your energy bill.
For more information please speak to your installer as they will be able to advise you on the controls that are right for you.

  • iSense RF 7-day digital timer - a multi-functional 7 day programmable temperature control that delivers the best efficiencies and increased cost savings.  Provides up to 6 daily heating periods, day/night adjustments, frost protection and summer temperature settings
  • qSense digital room thermostat - programmes the boiler to control your room temperature. Can be used with the iSense for even greater comfort and savings
  • Internal mechanical time clock - single channel; timed central heating provides for your comfort, complies with Building Regulations guidance
  • Internal digital time clock - single channel
  • Outside weather sensor (wired) monitors outside temperatures and optimises boiler performance efficiently and economically for your increased comfort.  No service or maintenance required

Learn more about the Baxi Avanta Exclusive by downloading our product literature. Our set of documents can assist whether searching for a guide on how to use Baxi Avanta's advanced controls, or learn more about the range's product features.

  • Avanta brochure (PDF 0.72MB, 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.

    Unsure of what type of boiler you need?

    Try our find a boiler tool. It will ask you a few key questions relating to your heating and hot water requirements and recommend a suitable gas boiler.

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

    How combi works

    FAQs about combi boilers

    Condensing vs non-condensing boilers

    Compatible controls

    Brochures & guides

    Download documents about the Baxi Avanta Exclusive, from installation information, to brochures and user guides.