Branch Locator
Blog
Toolbox
Favourites
Account
Basket
VAT:
Ex
Inc
Vaillant Boilers
Filters
Type
Brand
Heat Output
BTU/h
Price
Width
Height
Please select your collection branch...
Please enter your delivery address...
Vaillant Boilers
If you need a new boiler then look no further than Vaillant. This is one of the most well-rated boiler brands in the industry, so you can rely on it to heat your home quickly, safely, and efficiently.
Vaillant EcoFit Sustain 615 System Boiler 10025271
£1,237.36
each, Inc. VATLoading...
Loading...
Showing 1—30 items of 121
Vaillant Boilers at City Plumbing
Upgrade your home heating with a Vaillant boiler - one of the most trusted and energy-efficient boiler brands in the UK. Known for reliability, performance, and low running costs, Vaillant boilers are designed to deliver consistent heating and hot water for years to come.
At City Plumbing, we stock one of the largest selections of Vaillant boilers in the UK, including combi, system, and heat-only models. With heat outputs ranging from 12kW,
We stock one of the largest collections of Vaillant boilers in the UK, so you can find the ideal one to heat your home or commercial space. We're also pleased to offer many different output options too, allowing you to buy a boiler that works efficiently in your property to keep your heating costs down.
All orders over £75 ex VAT will qualify for free delivery, so browse the range today and find your ideal boiler.
Which Vaillant Boilers Are Available?
We offer a full range of Vaillant gas boilers, including the popular:
- Vaillant ecoTEC Plus – High efficiency and quiet performance, perfect for medium to large homes.
- Vaillant ecoFIT Pure – Compact design ideal for smaller spaces, without compromising on heating power.
- Vaillant ecoFIT Sustain – A reliable and cost-effective choice for consistent, sustainable heating.
Choose from combi, system, or heat-only configurations to suit your installation and water pressure needs.
Vaillant Boiler Prices
Vaillant is a premium boiler brand known for its lifespan and outstading performance.
Whether you opt for a heat only, commercial, or combi Vaillant boiler, our prices start at around £900 and go up to £3000+ depending on the model and output.
While Vaillant boilers may have a higher upfront cost than some alternatives, they offer superior efficiency, energy savings, and reduced maintenance, making them a sound long-term investment.
Plus, each Vaillant boiler qualifies for our free delivery option as they're all priced over £75 ex VAT. Alternatively, you can also get free Click & Collect from any of our 350-plus branches, so you can pick up your new boiler at a time and place that suits you.
Why Choose City Plumbing for Vaillant Boilers?
With more than 40 years' experience, we understand what customers demand from a plumbing and heating supplier. Our inclusive core values allow us to provide the best products from the best manufacturers while offering the best customer experience.
Our Trustpilot reviews can vouch for that with thousands of past customers providing positive reviews about shopping with us.
Order Your New Vaillant Boiler Today
Browse online for your new Vaillant boiler or pop into one of our branches to see the range in-person. Use our branch locator tool to find your nearest one and our team will be on hand to help when you arrive.
Got a question about one of our Vaillant boilers? Contact us today via phone or email and we'll do our best to assist you.
FAQs about Vaillant Boilers
What makes Vaillant boilers a good choice?
Vaillant boilers are known for their high efficiency, reliability, and quiet operation. Manufactured in the UK, they use innovative technology to maximise performance and reduce energy waste. Choosing a Vaillant boiler helps lower your heating bills and carbon footprint without sacrificing comfort.
What types of Vaillant boilers are available?
City Plumbing stocks a wide range of Vaillant gas boilers, including combi, system, and heat-only models. Popular options like the ecoTEC Plus, ecoFIT Pure, and ecoFIT Sustain series offer excellent efficiency across different property sizes - from small flats to large family homes.
How much does a new Vaillant boiler cost?
Vaillant boiler prices in the UK typically range from around £900 to £3,000, depending on the model, size, and output. While a Vaillant combi boiler may cost more upfront, it delivers long-term savings through lower running costs and reduced maintenance.
How efficient are Vaillant boilers?
Most Vaillant boilers are A-rated for efficiency, with some models achieving up to 94% energy efficiency. This means nearly all the fuel used is converted into usable heat, helping you cut down on gas consumption and heating expenses.
What size Vaillant boiler do I need for my home?
The right boiler size depends on your property and heating demand. Smaller homes may only need a 12–18kW combi boiler, while larger properties might require a 30–64kW system boiler. If you’re unsure, the City Plumbing team can help you choose the best Vaillant boiler for your home.
Do Vaillant boilers come with a warranty?
Yes. Many Vaillant boilers include a 2–5 year manufacturer’s warranty, and some premium models offer even longer coverage. This ensures peace of mind and protection against unexpected repair costs. Always check the specific model details before purchase.
Help & Feedback
Chat With Us
Give Us Feedback