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ecoTEC plus 80, 100 and 120kW

Commercial wall-hung boilers

  • High quality stainless steel heat exchanger offers more resistance to oxidation, seizing and corrosion
  • Energy saving two-stage frost protection system and pressure sensor to monitor system pressure via diagnostics
  • Full range of accessories available for a complete system solution
  • ErP 'A' rated
Request a quote


Vaillant Commercial wall-hung boiler solutions are bigger and better than ever before. Incorporating all the same high performance and efficiency features as its smaller domestic counterparts, the ecoTEC plus offers superb outputs of 80kW, 100kW and 120kW with the ability to cascade up to 960kW, which can be arranged inline, back-to-back and around corners. A wall-to-wall solution for every commercial specification.

ecoTEC plus 80, 100 and 120kW models all exceed Part L2 seasonal efficiency and offer enhanced performance with automatic part load adjustment and an intelligent fault system.

ecoTEC 80, 100 and 120kW models are suitable for both natural gas and LPG applications, but conversions to LPG must be carried out by Vaillant Service.

For further details please call: 0344 693 3133.



Technical dataUnit80kW100kW120kW
Heat output range
Natural gas G20 at 20mb 80/60°C
kW14.9 - 74.7 18.7 - 93.322.4 - 112.0
Heat output range
Natural gas G20 at 20mb 50/30°C
kW16.5 - 82.3 20.7 - 102.824.7 - 123.4
Conversion to LPG G31 at 37mb
80/60°C (only by Vaillant Service)
kW37.4 - 74.7 46.7 - 93.356.0 - 112.0
Conversion to LPG G31 at 37mb
50/30°C (only by Vaillant Service)
kW41.2 - 82.351.4 - 102.861.7 - 123.4
Maximum heat input (net) kW76.2 95.2114.3
Minimum flow temperature°C353535
Maximum flow temperature°C858585
Nominal CH flow rate Δt = 20 Kl/hr344043005160
ErP rating AAA
Seasonal efficiency* (NG)%95.6 95.996.0
Dimensions (H x W x D)mm960 x 480 x 603960 x 480 x 603960 x 480 x 603
Dry weightkg68 8690

*in accordance with the non-domestic building services compliance guide 2013

For further details on the specifications of this product, please download the Technical Specification table here (497 kB).

Related Products

Related Products

Plate heat exchangers

  • Separates system water from the boiler
  • Compatible with ecoTEC plus 48 - 120kW and ecoCRAFT boilers
  • Suitable for cascade rigs and single installations

VRC 700 and VRC 700f

  • Takes care of all Vaillant equipment automatically by intelligently communicating with all Vaillant appliances
  • Flexible time programs
  • Clear, high contrast backlit display

uniSTOR 500 and 800 litre cylinders

  • Large diameter, smooth coil technology
  • Factory fitted T&P valve
  • Single guarantee for all components


How to get

Request a quote

Vaillant Commercial boilers and accessories are available over the counter or as a next day service at most plumbing and heating merchants throughout the UK.

We can provide you with bespoke solutions to accommodate a variety of installations. To discuss your requirements please contact us.

Alternative products

Alternative products

ecoCRAFT 80, 120, 160, 200, 240 and 280kW

  • Modular heat exchanger design utilises a single pre-mix burner and fan to achieve part load efficiencies as high as 108.4% (net)
  • NOx class 5 rating
  • Adjustable maximum flow temperature from 35°C to 85°C
  • ErP band A

ecoTEC plus 48 and 64kW

  • Compact design
  • Suitable for natural gas and LPG applications
  • High efficiency stainless steel heat exchanger
  • Compatible with cascade installations