Vaillant Boilers

Since 1874, Vaillant have engineered innovative heating systems to create smart, more comfortable homes for millions of people all around the world. From the world’s first ever gas fired water heating system with hot water to our award winning ecoTEC boiler range, we’re creating products that meet the standards and demands of tomorrow.

The wide range covers Combi boilers, heat only boilers and system boilers. Providing a solution for all domestic installations.


As Vaillant Boiler Specialists we can…




…Vaillant Boilers

ecoTEC Models


ecoTEC Plus


  • Stylish, contoured boiler with a flap that reveals a simple to use backlit display which makes operation very easy
  • Features a tried and tested, top quality stainless steel heat exchanger for efficient operation
  • Awarded Which? best buy 2016 award
  • Quiet Mark approved, assuring you of ultra-quiet operation in your home

ecoTEC plus is our flagship boiler range, available as a combination, system or regular boiler for different home requirements. Your boiler type will vary depending on lots of different things such as the size of your property and how much hot water you use.

To ensure our boilers have the Vaillant quality assurance, each one is hand assembled by one specific operative from start to finish in the UK using world class German engineering. Giving your boiler outstanding performance with low energy consumption for hot water and central heating, which can help save you money on your fuel bills.


ecoTEC Pro


  • Tried and tested heat exchanger built in high quality stainless steel meaning increased efficiency, decreased fuel bills
  • Stylish contoured case design with a bright and simple to use backlit display easy operation of the boiler
  • Quiet Mark approved, assuring you of ultra-quiet operation in your home.
  • Which? Best buy 2016 accredited
  • Quiet Mark approved, assuring you of ultra-quiet operation in your home

Providing instant hot water without the need for a tank, the ecoTEC pro combination boiler is compact enough to fit small to medium homes with average hot water consumption, and comes in a range of outputs.


ecoFIT Pure


  • Compact, contoured and convenient boiler design that’s made to suit most UK homes
  • Rear flue option available, so that there’s no flue visible on top of the boiler
  • Compatible with vSMART™ to give you low-cost, climate-friendly heating with smart and clear internet-based controls for efficient boiler performance

ecoFIT pure boilers are available in different power outputs with a space-saving cupboard fit design, all with low energy consumption and a premium build for outstanding performance.

Why Choose Union Plumbing

Union Plumbing and Heating have been fitting Vaillant boilers over West Yorkshire for the last 5 years. With branches in Huddersfield, Halifax, Wyke and Bradford, we offer expert boiler fitting at local affordable prices.

High Value For Money

Part of what makes us unique is our willingness to perform work that will last and is at a competitive price point.

We Call Ahead

Need to nip out to the shop? That’s no problem, our engineers will call ahead to let you know they are close by. No more waiting around all day.

Friendly Professional Service

We strive to be your local experts, delivering a friendly and professional service is one of our core values.

Gas Safe Registered

We are fully qualified Gas Safe Registered Engineers. So rest assured that any work carried out by Union Plumbing is Safe and Guaranteed.

Additional Extras

Thermostatic Radiator Valves

From £25 Each

  • Total Control Over Room Temperatures
  • Energy Saving Measure

Wireless Controls

£99 inc VAT

  • Standard Programmable Wireless Controls
  • Control Heating From Anywhere In The House
  • Cable Free Installation


£290 inc VAT

  • Premium Boiler Controls
  • Control your heating from your phone where ever you are in the world

Power Flush

 From £240 inc VAT

  • Highly recommended for older systems
  • Save £120 having a Powerflush at installation
  • Save money on heating bills
  • Extend the life of your new boiler

Get Expert Advice & a No Obligation Quote

Or Call us on: 01484 50 91 91

Our Process

Fill in the automated booking form or give us a call to arrange a quote. Your expert engineer will provide a free home survey to provide you with the best choice of Ideal Boiler for your property.


Step 1: Book

Fill out our booking form and our team will then confirm a single day and time that your Engineer will arrive. Don’t worry about waiting in all day, your Engineer will call ahead to let you know they are close by.


Step 2: Work

We specialise in the conversion of traditional tank and cylinder conversions to combis and have a vast experience of converting fire back boilers.

If you need multiple zones, under floor heating, unvented cylinders and system boilers we can help you find the right heating solution for your home or workplace.


Step 3: Get Smart

All these options can be fitted with the very latest smart controls. We can install Hive, Nest and other brands of internet controls.

More information on the Manufacturers we work with

Contact Us or Call: 01484 50 91 91

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Union Plumbing & Heating