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Trianco Aztec Mini System 12kW Electric Boiler 4039

SKU
EDDTRIANCOS02

The Trianco Aztec electric boiler range is a versatile heating solution. It is an all-in-one system, including a pump, auto air vent, expansion vessel and pressure gauge. A fully controllable programmer is included and no additional external plumbing is required. It is available in many outputs ranging from 8kW to 12kW.

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Excl. VAT : £149.99 Incl. VAT : £179.99

Our Expert's Opinion

"Compact, high quality and silent. Will drive up to 9 good-sized radiators. Check out the documentation below for possible configurations of this versatile electric system boiler." "Make sure to register to take advantage of their extended warranty."

Trianco Aztec Mini System 12kW Electric Boiler

The Trianco Aztec electric boiler range is a versatile heating solution. It is an all-in-one system, including a pump, auto air vent, expansion vessel and pressure gauge. A fully controllable programmer is included and no additional external plumbing is required. It is available in many outputs ranging from 8kW to 12kW.

The system is ideal for compact projects such as apartments, cabins and garden rooms, the unit has a built-in digital programmer. It simplifies the installation and removes the need for additional or unnecessary external plumbing or pipework.

  • Dimensions: 580H x 360W x 230Dmm.
  • Output: 12kW
  • Easy to install
  • One wire install
  • Compatible with solar power
  • Replaceable elements
  • Self diagnostic checks
  • 2-year guarantee, extendable to 5-year guarantee with Trianco's warranty extension policy

Why Choose Trianco?

Trianco is a quality UK Made brand of cylinders. Trianco has been making water heaters since the 1850s, their many years of service and emphasis on design quality make them a top choice across their water heating products.

  • Trianco Boilers are energy efficient in design, particularly in their electric water heaters, Trianco can achieve up to 99% heat loss efficiency, ensuring that any electricity spent heating the water is maintained.
  • The Vast array of styles offered by Trianco makes them perfectly suitable for a broad array of uses. Trianco offers Combi-Boielrs, Flow Boilers, System Boilers, and various other manners of water heating and water technologies. All offer the same quality Trianco benefits and together can ensure your home or commercial space receive luxury treatment and operational effectiveness.
  • UK-made, Sheffield Based Brand. Benefit UK manufacturers by purchasing Trianco. their Sheffield-based team offer that local feel that really helps them stand out above the other multinational competitors. Trianco is known for its excellent customer service, with knowledgeable staff who can answer any questions you may have and provide support throughout the life of your boiler.
More Information
MPN 4039
Product Code EDDTRIANCOS02
Height (mm) 580
Width (mm) 360
Depth (mm) 230
Capacity 0
Power (Watts) 12000
Heater Type System Boiler
Warranty (years) 2
Energy Performance Rating D
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Delivery Information - 

Standard delivery for all orders over £150 ex-VAT are free of charge.

If we can speed this up, we will, but you can also select Express Delivery when you check out and get your purchase more quickly (usually the next working day, subject to a 1pm cut-off): there is an extra charge for this ranging from £5 to £29.99 depending on the products you are buying. 

We partner with several of the best UK carriers (such as TNT, Royal Mail, DPD etc) depending on the type of product and the warehouse it is coming from, and also with some pallet companies for larger items. All of these operate during normal Monday – Friday working hours, and we expect all deliveries to arrive in 3 – 5 days. For more details checkout this page.

Returns Information - 

Having to return a product because it doesn’t fit, or is not what you wanted, is really annoying! To try and make sure this isn’t necessary we have lots of helpful advice on our site, and you should feel free to call our experts on the number above to check if you are in any doubt at all – we’re always happy to help.

But if you do, don’t worry, just contact us and we’ll get it sorted (note that for trade customers there may be a restocking fee). If you need it, we can usually arrange the carrier to pick it up.

For full details of our policy, check out the small print here.


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  • Height (mm)
  • Width (mm)
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