The Vaillant ecoTEC plus Boiler is a wall-mounted, condensing boiler – part of Vaillant’s eco range. It is available as a combi, system or regular boiler, in either 48 or 64kW for the latter. We have outlined below the major features of the ecoTEC plus and what you should know prior to purchase so you can decide if it’s the right model for your home or business.

Price (Installed): From £ (inc. VAT)

Vaillant ecoTEC plus Boiler Technical Specification

ModelecoTEC Plus
Efficiency Rating89.3%
Energy Efficiency ClassA Rated
LPG CompatibleYes, where required
Warranty5 year standard warranty
Central Heating Max. Output35 or 38 kW
MountingWall Mounted
Weight36 kg
Dimensions720mm (Height) x 440mm (Width) x 338 mm (Depth)

The Vaillant ecoTEC Plus Boiler is available in the following models: 

Vaillant ecoTEC plus Combi Boiler: 25kW, 32kW, 35kW and 38kW

Vaillant ecoTEC plus System Boiler: 12kW, 15kW, 18kW, 24kW, 30kW and 37kW

Vaillant ecoTEC plus Combi Boiler Flow Rates

kW SizeFlow Rate
25 kW10.5 l/min
32 kW13 l/min
35 kW14.3 l/min
38 kW15.9 l/min

Vaillant ecoTEC plus Boiler Key Features

  • Holds an ErP ‘A’ energy efficiency rating, with an operation of 89.3% efficiency
  • Compact and lightweight design, making it easy to install
  • Can be installed in a large cupboard or airing cupboard space because of its small size, or wall-mounted
  • Simple to use controls with backlit display
  • Includes stainless steel heat exchanger and premium high-quality components for a reliable boiler that is designed to last long after the warranty period
  • Provides a maximum heating output of 38 kW

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About the Vaillant ecoTEC Plus Boiler

  • The Vaillant ecoTEC Plus is a mid-range boiler, with a variety of outputs to choose from, making it an appropriate choice for small to medium-sized homes and apartments
  • Easy to install in a large cupboard in a kitchen, bathroom or airing cupboard
  • Can integrate with Vaillant’s vSMART™ app or another smart thermostat, if mobile app control is preferred
  • Large backlit display, frost protection and no need for a separate cylinder or loft tank.
  • Comes with a 5-year standard warranty

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Our thoughts on the Vaillant ecoTEC Plus Boiler

The Vaillant ecoTEC Plus Boiler is an award-winning, well-designed boiler that is perfect for homes with up to 2 bathrooms. It has been engineered with low volume and optimised performance in mind.

A global brand

Vaillant has won awards for its boiler design. Designed in Germany and manufactured in Derbyshire, they have a reputation for reliability and improving performance. For instance, they have reduced the decibel volume of this model to an average operating sound of 46dB, making it one of the quietest boilers on the market. If you have it installed in your kitchen or bathroom, you won’t be disturbed even when it is running at full capacity.

However, it is worth noting that the energy efficiency rating for the ecoTEC Plus, while high, can be beaten by competitors.

Choose the right model for your needs

The ecoTEC Plus is available as a combi, system or regular boiler, in either 48 or 64kW for the latter. A combi boiler heats water directly from the mains, as well as provide energy for central heating from one unit. This instantaneous heating will reduce energy waste and help to minimise water inefficiency in your home. A system boiler requires a cylinder and can supply hot water to multiple taps simultaneously. A standard boiler uses a storage tank to heat water. The right model for you will depend on your water usage and the number of bathrooms in your property.

Uses the latest smart technology

The ecoTec Plus features Vaillant’s vSMART™ energy management system, and can be integrated with other energy systems like Nest or Hive. It is designed to be compliant with Vaillant controls so we recommend you install with vSMART or VRC 700 to access remote control and troubleshooting as well as the smart weather compensation system.

Reduce gas and electricity consumption

The UK government has committed to achieving a net-zero emissions rating within the next decade. The energy market remains volatile, so seeking an economical boiler should be a priority for homeowners when replacing a boiler.

Vaillant can help you reduce your household’s carbon emissions and save money on your energy bills. The secondary heat exchanger provides optimal heat transfer and efficient performance, even during cold weather.

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