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VAILLANT Boilers

Looking to find the right boiler for your home? Vaillant boilers are a popular choice for their efficiency and reliability. At PriceRunner, we help you explore all offers to suit your heating needs. Our category filters let you narrow down choices based on size, energy efficiency, and price. Whether you need a compact model for a small space or a high-capacity unit for a larger home, you can compare different Vaillant boilers side-by-side. This makes it easy to spot the features that matter most to you. With user reviews and up-to-date listings, you can feel confident in making the right decision. Ready to warm up your home with a Vaillant boiler? Begin here to discover the best options for your needs.

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200+ products

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VAILLANT Boilers VAILLANT Ecotec Pro 24 28 Fan 193593

VAILLANT Ecotec Pro 24 28 Fan 193593

Boiler Spare Part

£163.66
Or 3 interest-free payments of £54.55/mo.*
5stores
VAILLANT Boilers VAILLANT Ecotec Plus Pro Plate Heat Exchanger Seal 178969

VAILLANT Ecotec Plus Pro Plate Heat Exchanger Seal 178969

Boiler Spare Part

£11.15
Or 3 interest-free payments of £3.71/mo.*
4stores
VAILLANT Boilers VAILLANT 103430 NTC-Sensor

VAILLANT 103430 NTC-Sensor

Boiler Spare Part

£11.51
Or 3 interest-free payments of £3.83/mo.*
4stores
VAILLANT Boilers VAILLANT Ecotec Plus VUI 937 Boiler Burner Gasket 981103

VAILLANT Ecotec Plus VUI 937 Boiler Burner Gasket 981103

Boiler Spare Part

£12.35
Or 3 interest-free payments of £4.11/mo.*
4stores
VAILLANT Boilers VAILLANT Ecotec Plus 637 824 831 837 937 Boiler Packing Ring Set of 10

VAILLANT Ecotec Plus 637 824 831 837 937 Boiler Packing Ring Set of 10

Boiler Spare Part

£13.31
Or 3 interest-free payments of £4.43/mo.*
4stores
VAILLANT Boilers VAILLANT C-Type Gasket Pack of 10

VAILLANT C-Type Gasket Pack of 10

Boiler Spare Part

£13.43
Or 3 interest-free payments of £4.47/mo.*
4stores
VAILLANT Boilers VAILLANT turbomax vuw pressure diff flow switch 151041 free post

VAILLANT turbomax vuw pressure diff flow switch 151041 free post

Boiler Spare Part

£35.56
Or 3 interest-free payments of £11.85/mo.*
4stores
VAILLANT Boilers VAILLANT Loading Tap 087642 Boiler VKC I 320/1-3 60

VAILLANT Loading Tap 087642 Boiler VKC I 320/1-3 60

Boiler Spare Part

£46.80
Or 3 interest-free payments of £15.60/mo.*
4stores
VAILLANT Ecotec Plus 824 831 Gas Sut Off Valve 15x15 mm

VAILLANT Ecotec Plus 824 831 Gas Sut Off Valve 15x15 mm

Boiler Spare Part

£46.80
Or 3 interest-free payments of £15.60/mo.*
4stores
VAILLANT 0020128697 Wiring Harness

VAILLANT 0020128697 Wiring Harness

Boiler Spare Part

£54.00
Or 3 interest-free payments of £18.00/mo.*
4stores
VAILLANT 114189 SIT 845 Sigma H-Gas Gas Section Genuine Part *NEW*

VAILLANT 114189 SIT 845 Sigma H-Gas Gas Section Genuine Part *NEW*

Gas Boilers

£63.00
Or 3 interest-free payments of £21.00/mo.*
4stores
VAILLANT Central Heating Service Valve 014731

VAILLANT Central Heating Service Valve 014731

Boiler Spare Part

£75.00
Or 3 interest-free payments of £25.00/mo.*
4stores

Boilers: 3 things to consider before buying

Before purchasing boilers, it's crucial to assess your home's heating requirements. Consider factors such as the size of your home, the number of bathrooms, and how many people live there. For larger homes with multiple bathrooms, a system boiler might be more efficient as it can supply hot water to several taps simultaneously. Conversely, for smaller homes or flats, a combi boiler could be more suitable due to its compact size and ability to provide instant hot water. By understanding your specific needs, you can choose boilers that offer the best efficiency and comfort for your household.

Energy efficiency is a key consideration when buying boilers. Look for models with high energy efficiency ratings, as these will not only reduce your carbon footprint but also save you money on energy bills over time. Most modern boilers come with an ErP (Energy-related Products) rating; aim for one that's A-rated for maximum efficiency. Additionally, consider whether the boiler has features like modulating burners or weather compensation controls, which can further optimize energy use based on real-time conditions.

When budgeting for boilers, factor in installation and ongoing maintenance costs along with the purchase price. Installation costs can vary depending on the complexity of the setup and any additional work required, such as upgrading pipework or installing new radiators. It's advisable to get quotes from several qualified engineers to ensure competitive pricing. Regular maintenance is also essential to keep boilers running efficiently and safely; consider setting up a service plan with a trusted professional to cover annual inspections and any necessary repairs.

BOILERS

FAQ

Boilers are heating systems that provide hot water or steam for various applications. They work by heating water using fuels like gas, oil, or electricity. Boilers are essential for central heating and can also supply hot water for domestic use. Consider energy efficiency and size when choosing one.

Choosing the right boiler depends on your home's size, heating needs, and fuel availability. Boilers are available in different types such as combi, system, and conventional. Assess your space and hot water demand to determine the best fit.

Combi boilers are units that provide both heating and instant hot water without a separate tank. System boilers require a cylinder for storing hot water but can handle higher demands. Combi boilers save space, while system boilers suit larger homes with multiple bathrooms.

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