Like Worcester Bosch, Vaillant are one of the few premium brand boilers out there. Vaillant boilers offer the highest quality, reliability, and performance; this is why brand loyalty is such a big factor for Vaillant.
Regular winners of Which? Best Buy awards and holders of the Quiet Mark accreditation for their quiet-running boilers.
Vaillant Boilers
Vaillant offers a selection of combination, system, and regular boilers. If you aren’t sure what boiler type you have, then you can read our blog so you know what you’re looking for.
Once you know what boiler type you’re looking for, you can use the WarmZilla boiler comparison function below. Just select up to 3 boilers you want to compare and you’ll be able to compare key stats side by side to see which Vaillant boiler is best for you.
You can also take the WarmZilla survey, by answering a few simple questions about your home we will be able to recommend suitable boilers for your heating and hot water requirements. You can get a quote on a new boiler in just a few minutes without adding any personal details.
WarmZilla is proud to offer Vaillant boilers. Vaillant boilers meet our criteria of energy efficiency, performance, reliability, and aftercare.
WarmZilla offers a range of combi, system, and regular gas condensing boilers from Vaillant in a range of kW options to suit small flats, apartments, and any size home. We don’t sell commercial Vaillant boilers.
WarmZilla offers the Vaillant ecoTEC Pro and the ecoTEC Plus ranges in combi, system, and regular boiler types.
All Vaillant boilers sold by WarmZilla come with Gas Safe installation, system filter, system cleanse, inhibitor, wireless controls, up to 12 years guarantee, any flues or extension kits you may need; plus, if your condensate or gas pipes require upgrading – that’s included in your fixed price Vaillant boiler quote too!
You can also upgrade your wireless controls to a choice of smart thermostats and you can add radiators to your order – all your heating requirements with one easy online purchase.
Vaillant boilers from WarmZilla start from £1899 when purchased outright or £12.50 per month when buying your Vaillant boiler on finance.
Vaillant boiler prices vary depending on the model you choose and the kW output of the model you require. The Vaillant EcoTec Pro 24kW is our cheapest boiler, starting at £1899.
You can get a quote now and find out exactly how much your new Vaillant boiler will cost, in a few minutes using the WarmZilla online survey.
An annual boiler service can help you to avoid any issues that may arise when it comes to turning your central heating back on during the winter months.
A boiler is one of the most essential appliances in your home, which is why it’s important that it gets serviced regularly so that it remains efficient and safe to use in your home.
Your boiler service must be carried out by a qualified Gas Safe Engineer. They will look at the full list of boiler components and carry out the necessary tweaks, replacements, or cleaning needed.
The boiler checklist will include the following:
- Checking the flue system inside and outside the boiler
- Checking the boiler flame
- Removing the boiler casing to ensure that the burner, heat exchanger and spark electrode are working correctly
- Check the case seal is still effective
- Check the water-level control, low-water cut-off and safety valves are all in good condition
- Firing up the boiler to check for any possible faults
- Check that the expansion vessel is regulating the boiler pressure correctly
- Clean any necessary parts
Your installer should leave you with a comprehensive list of checks in the servicing and maintenance section of the installation manual.
Having an annual service not only keeps your boiler nice and healthy and extends its lifespan but also saves you money on unnecessary future repairs that may be needed.
On average, a boiler service costs between £70 and £120 depending on your provider. For a one-off cost, it is worth checking that your boiler is in good nick for the next 365 days.
Thanks to its efficiency rating of 94% and ErP A-rating for heating and hot water, depending on your current boiler’s efficiency rating, this system boiler could help you to reduce your energy bills.
System boilers are great for those who require hot water on demand. This is because a system boiler has an additional hot water cylinder that stores the heated water supplied from the mains. It is important to note that you will need to accommodate this extra cylinder when purchasing a new or replacement system boiler.
The EcoFit Pure 612 is the least powerful of its range, with an output of 12.3kW. If your home has a higher demand for heating and hot water, don’t panic, Vaillant has designed the EcoFit Pure 615, 618, 625, and 630, which have outputs between 15kW and 30kW.
Thanks to its high-efficiency rating of 94% and an ErP A-rating of heating and hot water, the Vaillant EcoFit Pure is an efficient system boiler. Depending on your current boiler’s efficiency ratings, this system boiler could also help you to lower your energy bills.
With a central heating output of 15.2 kW, this makes the EcoFit Pure 615 a great fit for properties with up to 10 radiators and a single bathroom. However, if you feel that this does not meet the demands of your home for heating and hot water, the EcoFit Pure range also has the 618, 625, and 630 with outputs between 18kW and 30kW.
It is important to note when thinking about purchasing a new or replacement that you will need to accommodate for the additional hot water cylinder that is needed. Although they are not as space-saving as a combi boiler, they are perfect for people who need hot water ‘on tap’ (excuse the pun). This is because system boilers heat water from the mains supply and store it in a hot water tank, ready for when you need it.
The EcoFit Pure 618 sits in the middle of the range when it comes to energy output, with an output of 18.4kW, perfect for homes with up to 15 radiators and a bathroom with a bath. However, if you feel your home has a higher demand for heating and hot water, Vaillant has designed the EcoFit Pure 625 and 630 with an output of 25kW and 30kW. On the other hand, if you feel that your home is on the smaller side and you don’t require such high demand, the 612 and 615 are also available.
System boilers are great for those who require hot water on demand, this is because a system boiler has an additional hot water cylinder that stores the heated water. It is important to note that you will need to accommodate for this extra cylinder when thinking of purchasing a new or replacement system boiler.
Thanks to its high-efficiency rating of 94% and an ErP A-rating of heating and hot water, the Vaillant EcoFit Pure is understandably a very efficient system boiler. These ratings could also help you to lower your energy bills.
The EcoFit Pure 625 has the second-most powerful output in its range, with a central heating output of 25.4kW. This makes the EcoFit Pure 625 a great fit for properties with up to 20 radiators or 1-2 bathrooms. However, if you feel that your home does not require this kW output for heating and hot water, the EcoFit Pure range also has the 612, 615, and 618 with outputs between 12kW and 18kW, which could be better suited to your home. If you feel that your home requires a higher demand, the EcoFit Pure 630 is also available.
It is important to note when thinking about purchasing a new or replacement that you will need to accommodate for the additional hot water cylinder that is needed. Although they are not as space-saving as a combi boiler, they are perfect for people who need hot water ‘on tap’ (excuse the pun).
Thanks to its high-efficiency rating of 94% and an ErP A-rating for heating and hot water, this model is not only reliable but can also help you to reduce your energy bills. Its compact and lightweight design means that the EcoFit Pure can be installed neatly into your standard kitchen cupboard, out of sight, out of mind.
The EcoFit Pure 630 is the most powerful in its range with an output of 30.5kW. This is ideal for homes with up to 20 radiators and 2 bathrooms. Some may feel that their home does not require this kW output for heating and hot water, if you are one of those people, Vaillant has also designed the EcoFit 612, 615, 618, and 625, which have output ratings between 12kW and 25kW.
It is important to note when considering buying a new or replacement system gas boiler, you will need to accommodate for an additional hot water tank. Although system boilers take up slightly more room than a combi boiler, they are perfect for homes that need hot water instantly. This is because, with a system boiler, the water is supplied from the mains directly into the boiler, heated up, and then stored in the hot water cylinder for when it is needed.