• Get the best quotes, fast!
  • Over 5,000 engineers across the UK
  • Gas Safe registered engineers
Need a new boiler? Get FREE no-obligation quotes now!
Get FREE no-obligation quotes now!
  • No delays! Get quotes today
  • Compare quotes & get the best prices
  • Gas Safe & OFTEC registered engineers
The smarter way to find approved boiler engineers
Excellent 4.7 out of 5
Excellent 4.7 out of 5

Filter boilers

Fuel type

Boiler type

Manufacturer

Vaillant ecoTEC Pro 28 kW Combi Gas Boiler

Vaillant ecoTEC Pro 28 kW Combi Gas Boiler Boiler
Typical Price (inc VAT)
£1,119
Typical installation Cost (inc VAT)*
£500 - £1,000
Total Cost
£1,619 - £2,119
2.75/5

Customer rating

Average based on 4 reviews

Get a quote to install this boiler

Need a repair instead? Get a repair quote
Make Vaillant
Model ecoTEC Pro 28 kW Combi Gas Boiler
Is Condensing Condensing
Efficiency Rating 94%
Standard Warranty 2 Years
Band Rating A Rated
ERP Rating A HEAT A WATER
Central Heating Max. Output 25.9 kW
Flow Rate 11.1 l/min
LPG Compatible Yes
Mounting Wall mounted
Typical Price (inc VAT) £1,119
Typical installation Cost (inc VAT)* £500 - £1,000
Total Cost £1,619 - £2,119

Get a quote to install this boiler

Need a repair instead? Get a repair quote
2.75/5

Customer rating

Average based on 4 reviews

Product Description

The ecoTEC Pro 28 is a condensing wall-mounted combi gas boiler designed and manufactured by Vaillant.

How efficient is the ecoTEC Pro 28?

Vaillant ecoTEC Pro combi boilers are highly efficient as shown by the ErP A-rating for heat and hot water as well as the efficiency rating of 94%.

Is the output rating suitable for my home?

Combi boilers have two separate output ratings: central heating (CH) output and domestic hot water (DHW) output. The ecoTEC Pro 28 has a CH output of 25.9 kW and DHW output of 27.2 kW making it a great option for properties with up to 10 radiators and a single bathroom.

Are other output ratings available in the Vaillant ecoTEC Pro range?

ecoTEC Pro combi boilers are available with central heating outputs from 24.8 kW up to 25.9 kW and domestic hot water outputs from 23.4 kW up to 30 kW.

Is a combi boiler suitable for my home?

Combi boilers heat water directly from the mains supply and deliver it straight to the hot water outlet rather than storing it in a cylinder. Thanks to their cost-effective and space-saving qualities it's no surprise that combi boilers are now the most popular heating system in the UK.

How long is the warranty period?

All Vaillant ecoTEC Pro boilers have a 2 year warranty as standard but you have the option to extend this to 7 years when the boiler is registered through Vaillant Advance.

What are the key features of the ecoTEC Pro 28?

Some features of the ecoTEC Pro 28 include a low NOx burner, frost protection to help keep the boiler performing well all year round, Vaillant's aquaCOMFORT warm start feature and extremely quiet operation.

How big is the Vaillant ecoTEC Pro 28?

Thanks to compact dimensions of 720 x 440 x 335mm (HxWxD) you get greater flexibility with where to have a Vaillant ecoTEC Pro boiler installed in your home.

Get quotes to supply and fit a new

* This is a guide price for a straightforward, like-for-like boiler replacement. Installation costs will vary dependent on work required.

Write a review

Vaillant ecoTEC Pro 28 kW Combi Gas Boiler Boiler

You are reviewing:

Vaillant ecoTEC Pro 28 kW Combi Gas Boiler
Back to Vaillant ecoTEC Pro 28 kW Combi Gas Boiler
1/5

Had this boiler for 2.5 years now. This is the third time the diverter valve has failed with water coming out from the bottom of the boiler. When it first failed it was under warranty the vaillant engineer who came out and said it was the first time In his 20 years experience this fault had happened!! 12 months later it happened again. Now a further 8 months later and, out of warranty, it has happened again. Checked with a couple of engineers and they tell me it is a common problem. Truly awful boiler. We had a vaillant boiler before this one which was great for 12 or 13 years, hence we chose vaillant. Really regret it and poor service too.

Customer review
1/5

Had Eco fit pure 28 kw boiler fitted in May 2018 but as we cannot get consistent hot water engineer appointment made. He cannot find anything wrong with the boiler it is water pressure, so if we want a bath we have to have the tap on approx 1/3, this means the bath takes a long time to fill up. Not happy as this was not explained to us when asked the fitter if this boiler was suitable for our needs

Customer review
5/5

I heat a 4 bedroom property with a Vaillant ecotec pro 28; it provides instant hot water too. Don't know why the inf says it's suitable for a small property; it does the job just fine. And my bills have dropped by £40 a month since it was installed.

Customer review
4/5

As both an installer and customer,I like the Vaillant eco tec pro 28,it is good to install,it is a reliable boiler and I like working with them on the whole.Ok one or two things that I would like to see change for example the condensate and blow off pipe are a bit too close for my liking but other than that a good reliable piece of kit.I have one in my house so I would say that is pretty good reccomendation.

Tradesperson Review
    Why not compare these similar boilers?
    Boiler Model kW Efficiency Warranty Typical Price

    Best Sellers

    Vaillant ecoTEC plus 825 Combi Gas Boiler 20.4 kw 94% 5 years £1,152 VIEW
    Vaillant ecoTEC plus 832 Combi Gas Boiler 25.7 kw 94% 5 years £1,248 VIEW
    Vaillant ecoTEC plus 835 Combi Gas Boiler 32.2 kw 94% 5 years £1,431 VIEW
    Vaillant ecoTEC plus 838 Combi Gas Boiler 30.1 kw 94% 5 years £1,408 VIEW

    Available

    Vaillant ecoTEC plus 435 35kW Regular Gas Boiler 35kw 89.20% 5 years £1,500 VIEW
    Vaillant ecoTEC plus 415 15kW Regular Gas Boiler 15kw 88.70% 5 years £790 VIEW
    Vaillant ecoTEC Pro 28 kW Combi Gas Boiler 25.9 kw 94% 2 years £1,119 VIEW
    Vaillant ecoTec plus 624 System Gas Boiler 24kw 89.4% 5 years £1,005 VIEW
    Vaillant ecoTec plus 630 System Gas Boiler 30kw 89.4% 5 years £1,150 VIEW
    Vaillant ecoTec plus 637 System Gas Boiler 37kw 89.2% 5 years £1,250 VIEW
    Vaillant ecoTEC Exclusive Green IQ 835 Combi Gas Boiler 26.4 kw 94% 5 years £1,425 VIEW
    Vaillant ecoTEC Pro 30kW combi Gas boiler 25.7 kw 93% 2 years £1,211 VIEW
    Vaillant ecoFIT pure 612 system Gas boiler 12kw 89.3% 2 years £925 VIEW
    Vaillant ecoFIT pure 615 system Gas boiler 15kw 89.1% 2 years £915 VIEW
    Vaillant ecoFIT pure 618 system Gas boiler 18kw 89% 2 years £975 VIEW
    Vaillant ecoFIT pure 625 system Gas boiler 25kw 89% 2 years £1,175 VIEW
    Vaillant ecoFIT pure 630 system Gas boiler 30kw 89.3% 2 years £1,256 VIEW
    Vaillant ecoTEC plus 430 Regular Gas Boiler 30kw 89.3% 5 years £1,550 VIEW
    Vaillant ecoTEC plus 424 24kW Regular Gas Boiler 24kw 89.3% 5 years £975 VIEW
    Vaillant ecoTEC plus 412 Regular Gas Boiler 12kw 89.3% 5 years £825 VIEW
    Vaillant ecoTEC plus 418 Regular Gas Boiler 18kw 89.3% 5 years £875 VIEW
    Vaillant ecoTEC Exclusive Green IQ 843 Combi Gas Boiler 36 kw 94% 5 years £1,673 VIEW
    Vaillant ecoFIT pure 825 Combi Gas Boiler 19.1kw 94% 2 years £907 VIEW
    Vaillant ecoFIT pure 830 Combi Gas Boiler 26.5 kw 94% 2 years £1,058 VIEW
    Vaillant ecoFIT pure 835 Combi Gas Boiler 26.7 kw 94% 2 years £1,192 VIEW
    Vaillant ecoTEC exclusive Green iQ 627 System Gas Boiler 27kw 94% 7 years £1,100 VIEW
    Vaillant ecoTEC plus 938 Combi Gas Boiler 30.9 kw 94% 5 years £1,703 VIEW
    Vaillant EcoTEC 65kW System Gas Boiler 65kw 95.5% 2 years £1,500 VIEW
    Vaillant EcoTEC 46kW System Gas Boiler 46kw 95.8% 2 years £2,400 VIEW
    Vaillant EcoTEC Plus 64kW System Gas Boiler 64kw 94% 5 years £1,500 VIEW
    Vaillant EcoTEC Plus 48kW System Gas Boiler 48kw 94% 5 years £2,490 VIEW
    Vaillant Home 12kW System Gas Boiler 12kw 93% 2 years £2,090 VIEW
    Vaillant Home 15kW System Gas Boiler 15kw 93% 2 years £N/A VIEW
    Vaillant Home 18kW System Gas Boiler 18kw 93% 2 years £N/A VIEW
    Vaillant Home 25kW System Gas Boiler 25kw 89.4% 2 years £825 VIEW
    Vaillant Home 12kW Regular Gas Boiler 12kw 89.4% 2 years £N/A VIEW
    Vaillant Home 15kW Regular Gas Boiler 15kw 89.4% 2 years £915 VIEW
    Vaillant Home 18kW Regular Gas Boiler 18kw 89.4% 2 years £855 VIEW
    Vaillant Home 25kW Regular Gas Boiler 25kw 89.4% 2 years £895 VIEW
    Vaillant Home 30kW Regular Gas Boiler 30kw 89.4% 2 years £925 VIEW
    Vaillant ecoFIT pure 12kW Regular Gas Boiler 12kw 89.3% 2 years £1,005 VIEW
    Vaillant EcoFIT Pure 15kW Regular Gas Boiler 15kw 89.1% 2 years £715 VIEW
    Vaillant EcoFIT Pure 18kW Regular Gas Boiler 18kw 89% 2 years £760 VIEW
    Vaillant EcoFIT Pure 25kW Regular Gas Boiler 25kw 89% 2 years £825 VIEW
    Vaillant EcoFIT Pure 30kW Regular Gas Boiler 30kw 89.3% 2 years £965 VIEW
    Vaillant EcoFIT Pure 35kW Regular Gas Boiler 35kw 89.7% 2 years £1,300 VIEW
    Vaillant ecoTEC Pro 24kW combi Gas boiler 24.8 kw 94% 2 years £1,015 VIEW

    Discontinued

    Vaillant ecoTEC exclusive 832 Combi Gas Boiler 32kw 89.3% 2 years £1,200 VIEW
    Vaillant ecoTec plus 937 Combi Gas Boiler 37kw 89.3.% 5 years £1,500 VIEW
    Vaillant ecoTec plus 612 System Gas Boiler 12kw 89.0% 5 years £850 VIEW
    Vaillant ecoTec plus 615 System Gas Boiler 15kw 89% 5 years £965 VIEW
    Vaillant ecoTec plus 618 System Gas Boiler 18kw 89.3% 5 years £965 VIEW
    Vaillant EcoTEC Exclusive 32kW Combi Gas Boiler 32kw 89.8% 5 years £1,395 VIEW
    Vaillant EcoFIt sustain 825 Combi Gas Boiler 25kw 89.3% 5 years £1,250 VIEW
    Vaillant EcoFIt sustain 830 Combi Gas Boiler 30kw 89.3% 5 years £1,500 VIEW
    Vaillant EcoFIt sustain 835 Combi Gas Boiler 35kw 89.3% 5 years £1,300 VIEW
    Vaillant Home 25kW Combi Gas Boiler 25kw 89.3% 2 years £1,525 VIEW
    Vaillant Home 30kW Combi Gas Boiler 30kw 89.3% 2 years £1,025 VIEW
    Vaillant Home 35kW Combi Gas Boiler 35kw 89.3% 2 years £1,300 VIEW

    Need a new boiler?

    Get FREE no-obligation quotes now!

    Excellent 4.7 out of 5
    Excellent 4.7 out of 5

    Filter boilers

    Fuel type

    Boiler type

    Manufacturer

    FILTER
    COMPARE