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Boilers

Looking for the right boiler? PriceRunner is here to guide you. Our extensive selection includes a wide range of boilers from various brands and retailers, making it easy for you to find what suits your needs. Use our handy category filters to narrow down your options based on type, size, and energy efficiency. Whether you're searching for a combi, system, or conventional boiler, we help you compare features and prices side-by-side. This ensures you make the right choice for your home and budget. With user reviews and up-to-date data, you can trust the information provided to be accurate and reliable. Save time and money by finding the best deals without any hassle. Ready to find the boiler that fits your requirements? Begin here and discover the ideal option for your heating needs today!

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1000+ products

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Boilers Bosch Connection Heat Exchanger BNIB 8718600265

Bosch Connection Heat Exchanger BNIB 8718600265

Boiler Spare Part

£82.83
Out of stock
Boilers Buderus Switch With Rocker

Buderus Switch With Rocker

Boiler Spare Part

£16.02
Or 3 interest-free payments of £5.34/mo.*
1store
Boilers Bosch Buderus Flachdichtung 1 1/2" 10x 7098266

Bosch Buderus Flachdichtung 1 1/2" 10x 7098266

Ersatzteil für Heizkessel

£15.45
Or 3 interest-free payments of £5.15/mo.*
1store
Boilers VAILLANT Facade Flue Extension 1000mm L 125mmø Stainless

VAILLANT Facade Flue Extension 1000mm L 125mmø Stainless

Boiler Spare Part

£49.99
Or 3 interest-free payments of £16.66/mo.*
1store
Boilers VAILLANT Filter Ecocraft VKK 0020152477

VAILLANT Filter Ecocraft VKK 0020152477

Ersatzteil für Heizkessel

£43.23
Or 3 interest-free payments of £14.41/mo.*
1store
Boilers Ferroli Brennerabdeckungsdichtung 39841560 Econcept 35 Kessel

Ferroli Brennerabdeckungsdichtung 39841560 Econcept 35 Kessel

Ersatzteil für Heizkessel

£27.14
Or 3 interest-free payments of £9.04/mo.*
1store
Boilers VAILLANT Grundleiterplatte Zusatzmodul 295536

VAILLANT Grundleiterplatte Zusatzmodul 295536

Ersatzteil für Heizkessel

£107.24
Or 3 interest-free payments of £35.74/mo.*
1store
Boilers Viessmann Strömungsschalter 7826308

Viessmann Strömungsschalter 7826308

Ersatzteil für Heizkessel

£55.20
Out of stock
Buderus Greenstar 4000 25C 30 Boiler Diverter Valve

Buderus Greenstar 4000 25C 30 Boiler Diverter Valve

Boiler Spare Part

£45.75
Or 3 interest-free payments of £15.25/mo.*
1store
Buderus Bosch Gas Valve

Buderus Bosch Gas Valve

Boiler Spare Part

£282.29
Or 3 interest-free payments of £94.09/mo.*
1store
Ideal Minimiser 75162 Flame Sensing Electrode Assy Bolier Spares

Ideal Minimiser 75162 Flame Sensing Electrode Assy Bolier Spares

Boiler Spare Part

£20.51
Or 3 interest-free payments of £6.83/mo.*
1store
DIFF Water Exchanger 35 Ear Plates 0020025041

DIFF Water Exchanger 35 Ear Plates 0020025041

Boiler Spare Part

£142.60
Or 3 interest-free payments of £47.53/mo.*
1store
Viessmann Rücklaufeinheit Für Vitodens Badezimmer

Viessmann Rücklaufeinheit Für Vitodens Badezimmer

Ersatzteil für Heizkessel

£39.60
Out of stock
Ferroli Optimax HE 31 S 38 C Gasket Burner Assembly

Ferroli Optimax HE 31 S 38 C Gasket Burner Assembly

Boiler Spare Part

£23.39
Or 3 interest-free payments of £7.79/mo.*
1store
VAILLANT Packing Ring Silicon Cpl

VAILLANT Packing Ring Silicon Cpl

Boiler Spare Part

£13.79
Or 3 interest-free payments of £4.59/mo.*
1store
Buderus Bosch Condensate Collector

Buderus Bosch Condensate Collector

Boiler Spare Part

£86.52
Or 3 interest-free payments of £28.84/mo.*
1store
Viessmann Gasket Set For Plate Heat Exchanger

Viessmann Gasket Set For Plate Heat Exchanger

Boiler Spare Part

£14.40
Or 3 interest-free payments of £4.80/mo.*
1store
VAILLANT Mischermodul VR 61/4 F.Calormatic 470

VAILLANT Mischermodul VR 61/4 F.Calormatic 470

Ersatzteil für Heizkessel

£342.41
Or 3 interest-free payments of £114.13/mo.*
1store
Buderus Cartridge 3-Way Valve

Buderus Cartridge 3-Way Valve

Boiler Spare Part

£127.20
Or 3 interest-free payments of £42.40/mo.*
1store
VAILLANT Ecotec Plus 937 938 Vui Vih Storage Pump

VAILLANT Ecotec Plus 937 938 Vui Vih Storage Pump

Boiler Spare Part

£284.79
Or 3 interest-free payments of £94.93/mo.*
1store
Buderus Lippendichtung DN80 für GB162/GB192I./2 GB202/KB195I

Buderus Lippendichtung DN80 für GB162/GB192I./2 GB202/KB195I

Ersatzteil für Heizkessel

£24.70
Or 3 interest-free payments of £8.23/mo.*
1store
Bosch Worcester 87160122730

Bosch Worcester 87160122730

Boiler Spare Part

£17.91
Or 3 interest-free payments of £5.97/mo.*
1store
Viessmann Kartusche Mit Schrittmotor

Viessmann Kartusche Mit Schrittmotor

Ersatzteil für Heizkessel

£119.40
Or 3 interest-free payments of £39.80/mo.*
1store
Buderus Bosch Sensor G1 4 45Lg

Buderus Bosch Sensor G1 4 45Lg

Boiler Spare Part

£55.47
Or 3 interest-free payments of £18.49/mo.*
1store
Vokera PCB Original Boxed Part

Vokera PCB Original Boxed Part

Boiler Spare Part

£49.99
Or 3 interest-free payments of £16.66/mo.*
1store
Viessmann Vitocal DHW Cylinder Temperature Sensor

Viessmann Vitocal DHW Cylinder Temperature Sensor

Boiler Spare Part

£27.82
Or 3 interest-free payments of £9.27/mo.*
1store
VAILLANT Leiterplatte 0010037397

VAILLANT Leiterplatte 0010037397

Ersatzteil für Heizkessel

£61.72
Or 3 interest-free payments of £20.57/mo.*
1store
Buderus Motor 3-Wege-Ventil Servomotor GB172I.2

Buderus Motor 3-Wege-Ventil Servomotor GB172I.2

Ersatzteil für Heizkessel

£31.55
Or 3 interest-free payments of £10.51/mo.*
1store
VAILLANT Schraube 0020107743

VAILLANT Schraube 0020107743

Ersatzteil für Heizkessel

£8.23
Or 3 interest-free payments of £2.74/mo.*
1store
Buderus Condensate Collector

Buderus Condensate Collector

Boiler Spare Part

£85.20
Or 3 interest-free payments of £28.40/mo.*
1store
VAILLANT Pump 0020211453

VAILLANT Pump 0020211453

Boiler Spare Part

£644.13
Or 3 interest-free payments of £214.71/mo.*
1store
VAILLANT Pumpe 0020143540

VAILLANT Pumpe 0020143540

Ersatzteil für Heizkessel

£493.45
Or 3 interest-free payments of £164.48/mo.*
1store
Honeywell MMI810.1 MOD35 Control Box 230V

Honeywell MMI810.1 MOD35 Control Box 230V

Boiler Spare Part

£398.40
Or 3 interest-free payments of £132.80/mo.*
1store
VAILLANT Packingring 981248

VAILLANT Packingring 981248

Boiler Spare Part

£21.47
Or 3 interest-free payments of £7.15/mo.*
1store
Beretta Riello Heat Exchanger Sanitary Art 4364201 Boiler Family Cond 25 KIS

Beretta Riello Heat Exchanger Sanitary Art 4364201 Boiler Family Cond 25 KIS

Boiler Spare Part

£87.50
Out of stock
Baxi Solo 2 PFL Pilot Assembly Kit Part No 236142

Baxi Solo 2 PFL Pilot Assembly Kit Part No 236142

Boiler Spare Part

£39.34
Or 3 interest-free payments of £13.11/mo.*
1store
Junkers Control Panel 8716011349 Boiler ZWC24-3

Junkers Control Panel 8716011349 Boiler ZWC24-3

Boiler Spare Part

£95.84
Or 3 interest-free payments of £31.94/mo.*
1store
Worcester Bosch Worcester Bosch Boiler Valve Spindle Knob Assembly Grey 87161211090

Worcester Bosch Worcester Bosch Boiler Valve Spindle Knob Assembly Grey 87161211090

Boiler Spare Part

£6.50
Or 3 interest-free payments of £2.16/mo.*
1store
VAILLANT Ecotec Plus 937 R1 Boiler Support Bracket

VAILLANT Ecotec Plus 937 R1 Boiler Support Bracket

Boiler Spare Part

£8.70
Or 3 interest-free payments of £2.90/mo.*
1store
Baxi 818 & 824 System Boiler Expansion Vessel 7L Assembly Kit

Baxi 818 & 824 System Boiler Expansion Vessel 7L Assembly Kit

Boiler Spare Part

£148.68
Or 3 interest-free payments of £49.56/mo.*
1store
VAILLANT 011292 Water Valve 011235

VAILLANT 011292 Water Valve 011235

Boiler Spare Part

£69.99
Or 3 interest-free payments of £23.33/mo.*
1store
VAILLANT Heat Exchanger 065119

VAILLANT Heat Exchanger 065119

Boiler Spare Part

£830.40
Or 3 interest-free payments of £276.80/mo.*
1store
VAILLANT 981175 O-Ring Singles MD13

VAILLANT 981175 O-Ring Singles MD13

Boiler Spare Part

£8.75
Or 3 interest-free payments of £2.91/mo.*
1store
VAILLANT Packing Ring Set of 10

VAILLANT Packing Ring Set of 10

Boiler Spare Part

£8.87
Or 3 interest-free payments of £2.95/mo.*
1store
VAILLANT Temperature Limiter 101384

VAILLANT Temperature Limiter 101384

Boiler Spare Part

£44.40
Or 3 interest-free payments of £14.80/mo.*
1store
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.

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.

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Heating solutions: Find the right boiler for your home

Choosing the right boiler is essential for a comfortable home. With various options available, it's important to understand what suits your needs and preferences.

Popular boiler brands

Several brands are known for their quality and reliability. Each offers unique features that cater to different requirements.

  • VAILLANT: Known for their energy efficiency and innovative technology.
  • Baxi: Offers a range of compact and powerful models.
  • Worcester Bosch: A popular choice for their durability and performance.

Types of boilers

Understanding the different types of boilers can help you make the right decision for your home heating needs.

Combi boilers

Combi boilers are a great choice for smaller homes. They provide hot water on demand without the need for a storage tank. This makes them space-saving and energy-efficient. Combi boilers are easy to install and maintain, offering a practical solution for many households.

Electric boilers

Electric boilers are ideal for homes without a gas supply. They are quiet, efficient, and have a simple installation process. These boilers are environmentally friendly, as they do not emit carbon emissions. Electric boilers are suitable for smaller properties with lower hot water demands.

Key features to consider

When selecting a boiler, consider the following features to ensure it meets your needs.

Energy efficiency

Look for boilers with high energy efficiency ratings. This not only reduces your carbon footprint but also lowers your energy bills. A-rated models are the most efficient, ensuring optimal performance.

Size and capacity

Choose a boiler that fits your space and meets your hot water needs. Combi boilers are compact, making them suitable for smaller homes. Larger properties may require a system boiler with a separate hot water tank.

Smart controls

Modern boilers often come with smart controls. These allow you to manage your heating remotely via a smartphone app. Smart controls can help you save energy by adjusting the heating schedule based on your lifestyle.

Boiler spare parts

Having access to boiler spare parts is crucial for maintenance and repairs. Brands like VAILLANT, Baxi, and Worcester Bosch offer a wide range of spare parts to ensure your boiler remains in top condition.

Making the right choice

Selecting the right boiler involves assessing your home's heating needs and space constraints. Consider energy efficiency, size, and smart features to find the best option. Whether you prefer a combi boiler or an electric boiler, we have all offers to compare and help you make the right decision.

Use PriceRunner to compare prices and find the best deal on your new boiler today!

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Find the best option with the help of our handy tools. Compare prices, apply smart filters, read user reviews, and explore price history—all in one place.

Filter and sort

Searching for something particular? Filter by everything from price and brand to material or colour to see only the products relevant to you. Since delivery options and shipping costs can vary between shops, you can easily find your perfect match by filtering based on these criteria as well.

Reviews: See what other users think

Reviews from other users can provide valuable insights into the product's features and durability. Product ratings help you quickly assess popularity and customer satisfaction.

Price history: Find real deals

To ensure that you've found a good deal, you can view the product's price history. Select a time period and whether you wish to include international prices. Price history for the past three months is shown by default, but you can also look into a longer time period. If you want to determine if a deal from a specific shop is as good as it seems you can click on "Choose store" above the price graph to show an individual shop's pricing history.

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