Aztec Maxi Combi 6-12 kw

  • Aztec Maxi Combi 6-12 kw
    2 images, click thumbnail to enlarge
  • Aztec Maxi Combi 6-12 kw
    2 images, click thumbnail to enlarge
Output (kW)


Aztec Maxi Combi

Our Aztec Maxi Combi is the ultimate space saving solution and ideal where space is at a premium but hot water storage is required. With an internal storage capacity this combi offers a larger instant hot water capacity and is ideal for larger properties or properties with baths.

Rated to 6, 9 or 12kW by the installer this compact boiler means there is no need for extensive pipework, flue kit or additional cylinder for hot water storage. The Aztec Maxi Combi is fully controllable via Nest, Hive or similar digital programmer (not supplied).

Designed for installation in a utility room or airing cupboard or will sit flush with kitchen wall cabinets.


Please Click Here to download a copy of the Installation Guide.

Please Click Here to download a copy of the boiler specifications.


Aztec Maxi Combi features:-

  • Delivers direct hot water up to 10 litres per minute
  • Internal tank of 40 litres delivers approximately 120 litres of water at 45 degrees
  • Internal mixing valve allows user to adjust hot water output from 30-55 degrees 
  • Recovery time:12 kw reheat time is 12 minutes
  • For those properties with limited power running at 6kw you can still run baths and achieve this output – tank recovery time just takes longer ( 24 minutes tank recovery time in 6kw mode) 
  • Complete with pump, auto air vent, expansion vessel and pressure gauge
  • No need for a cylinder
  • State of the art bespoke circuit board
  • External controls to regulate boiler temperature
  • No flue or fuel supply tank required
  • No noxious gases
  • Easy install
  • Virtually maintenance free
  • 99.8% efficient
  • Comprehensive 2 Year warranty

Maxi Combi - internal cylinder offering 120 litres of hot water at 45 degrees! 10 litres per minute flow rate with a rapid tank recovery time

The Aztec Maxi Combi is range rated, the output can be set to 6,9 or 12kw by the installer to suit the property its being installed in. The Aztec Max Combi supplies instant hot water on demand with an internal hot water store enabling greater capacity so is ideal for larger properties & properties with baths.

Download PDF

Please Click Here to download a copy of the Aztec Brochure.

Product Aztec Maxi Combi 6-12 kw
Dimensions W500 x H1000 x D300
Warranty 2 Years
Efficiency 99.8%
Flow Rate Ltrs per min 10
Hot water capacity - 12kw 120 Litres
Hot water capacity - 9kw 95 Litres
Hot water capacity - 6kw 90 Litres
Tank recovery time - 12kw 12 Minutes
Tank recovery time - 9kW 18 Minutes
Tank recovery time - 6kW 24 Minutes
Cylinder required No
Expansion vessel and pumps required No
Compatible with smart thermostat Yes
Wireless thermostat App included No
Baths Yes
Heating Yes
Hot water Yes
Shower Yes
Wall - mounted Yes