Ariston E-Combi ONE 30 kW Combi Gas Boiler with Free Flue and LPG Conversion Kit - Energy Saving Trust Recommended E-CombiOne30

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Product Information

What stands out

  • Unique 'AUTO' function optimises efficiency of boiler and system
  • 30 KW Combination Condensing Natural Gas / LPG Boiler
  • Endorsed by the Energy Saving Trust
  • High quality briliant white fascia
  • Direct hot water and heat from radiators on the best priced package great for larger homes, with 2 or more bathrooms and a high demand for heating and hot water
  • A Rated
  • FREE Ariston Standard Horizontal Flue Kit worth  (3318073)
  • Includes Free LPG Conversion Kit
  • Xtratech stainless steel heat exchanger
  • High domestic hot water flow rates
  • Unique 'AUTO' function optimises efficiency of boiler and system
  • Comfort function
  • High efficiency pump
  • 1:7 Modulation
  • Quiet operation starting at 49db
  • Lightweight: 31.9 kgs
  • Frontal pressure Gauge
  • Built in mechanical clock with 24 hrs on/off timer
  • Large backlit display
  • Ariston net compatible
  • Easy installation and maintenance
  • Complete with an exceptional 2 year onsite guarantee from Ariston for total peace of mind

The details

The stylish Italian designed Ariston with a Brilliant White Fascia E-Combi ONE 30kW Natural Gas/ LPG Condensing Combination Boiler comes with a host of high-end features including the new Stainless Steel Xtratech™ heat exchanger which is able to perform better and more efficiently than ever before and with a unique AUTO function - used to optimise the efficiency of the boiler and heating system. This is one of the few gas boilers on the market that is Energy Saving Trust recommended.
Lightweight and easy to install, the new boiler also has all connections in the same places – enabling an easy retrofit in place of an existing Ariston boiler. Featuring a built in mechanical clock with 24 hrs on/off timer and coming as  with £100 worth of Free Accessories this is all you need for typical installation. E-Combi ONE is also compatible with Ariston NET so further advanced features could be added without having to change the boiler.
FREE Ariston Standard Horizontal Flue Kit (3318073) and LPG Conversion kit
Tested and certified by TUV Rheinland you can count on Ariston for safety, quality and usability.

What stands out


The top of the range E-Combi ONE is the latest generation of Ariston Thermo's condensing combi gas/ LPG boilers, offering heat management with smart connectivity right out of the box and patented stainless steel XtraTech™ heat exchanger.
 This is a highly efficient boiler, boasting an ErP A rating and is fully endorsed by the Energy Saving Trust.
With an output rating of 30 kW is suitable for larger homes, with 2 or more bathrooms and a high demand for heating and hot water. For properties that need a boiler with a lower output the Ariston E-Combi One is also available as a 24kW unit for smaller homes.


Stainless steel heat exchangers are exceptionally robust and operate well in a wide range of pH values, providing resistance to corrosion.
142% wider waterways with increased efficiency
Wider pipes allow water to pass through the heat exchanger more effectively, with less risk of blockages from debris. This extra width also allows hot water to pass through the heat exchanger quicker.
Better transfer of heat
The enhanced single coil heat exchanger is robust and highly efficient, thanks to an improved condensing surface and increased hydraulic performance. This also allows for constant water speeds and a reduced chance of blockages, ensuring a long lifespan.

Essential info

  • DHW Flow Rate ( litres per minute ) 12.5
  • ErP Efficiency: 90%;
  • ErP: A
  • Combination Boiler
  • Fuel Type: Natural Gas / LPG
  • Central Heating Output: (kW) 30
  • Manufacturer Product Number: 3301132 / 3318073
  • Shipping Weight (kg) 29.3
  • Product Height (mm) 745
  • Product Width (mm) 400
  • Product Depth (mm) 401
  • Warranty ( Years ) 2
  • Controls: Keys
  • Display: LED Display
  • Built in mechanical clock with 24 hrs on/off timer
  • Standard Horizontal Flue Kit included
  • Installation Type: Wall Mounted / Vented

A Gas Safe registered engineer must be used to install this appliance. We would advise checking the installers licence number against the Gas Safe Register.

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