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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 VAILLANT Seal Gas Pipe

VAILLANT Seal Gas Pipe

Boiler Spare Part

£8.23
Or 3 interest-free payments of £2.74/mo.*
3stores
Boilers Baxi Baxi Boiler Control Assembly 5107535

Baxi Baxi Boiler Control Assembly 5107535

Boiler Spare Part

£580.05
Or 3 interest-free payments of £193.35/mo.*
3stores
Boilers Heatrae Sadia Backnut For IH

Heatrae Sadia Backnut For IH

Boiler Spare Part

£35.42
Or 3 interest-free payments of £11.80/mo.*
3stores
Boilers Heatrae Sadia Thermistor Assembly C Type

Heatrae Sadia Thermistor Assembly C Type

Boiler Spare Part

£55.20
Or 3 interest-free payments of £18.40/mo.*
3stores
Boilers VAILLANT Vaillant Connection Piece Complete 509143

VAILLANT Vaillant Connection Piece Complete 509143

Boiler Spare Part

£54.21
Or 3 interest-free payments of £18.07/mo.*
3stores
Boilers VAILLANT 022596 Connection Tube Complete

VAILLANT 022596 Connection Tube Complete

Boiler Spare Part

£19.30
Or 3 interest-free payments of £6.43/mo.*
3stores
Boilers Worcester Bosch Nozzle Holder Check Valve Danfoss

Worcester Bosch Nozzle Holder Check Valve Danfoss

Boiler Spare Part

£40.47
Or 3 interest-free payments of £13.49/mo.*
3stores
Boilers Worcester Bosch Greenstar 12ri 15ri 18ri 24ri Air Gas Clamp Plate

Worcester Bosch Greenstar 12ri 15ri 18ri 24ri Air Gas Clamp Plate

Boiler Spare Part

£17.77
Or 3 interest-free payments of £5.92/mo.*
3stores
Baxi Duotec Platinum 40he 40kw Hyd Inlet Assembly

Baxi Duotec Platinum 40he 40kw Hyd Inlet Assembly

Boiler Spare Part

£151.22
Or 3 interest-free payments of £50.40/mo.*
3stores
Worcester Bosch Gasket Pack Bnip MD23
-21%

Worcester Bosch Gasket Pack Bnip MD23

Boiler Spare Part

£13.99£17.63
Or 3 interest-free payments of £4.66/mo.*
3stores
VAILLANT Air Press Switch TurboMax 050557

VAILLANT Air Press Switch TurboMax 050557

Boiler Spare Part

£110.84
Or 3 interest-free payments of £36.94/mo.*
3stores
Baxi Main Boiler Spare Multipoint FF Pressure Switch 5111414

Baxi Main Boiler Spare Multipoint FF Pressure Switch 5111414

Boiler Spare Part

£212.51
Or 3 interest-free payments of £70.83/mo.*
3stores
Worcester Bosch Worcester Junior 24i 28i Main Wiring Harness

Worcester Bosch Worcester Junior 24i 28i Main Wiring Harness

Boiler Spare Part

£34.80
Or 3 interest-free payments of £11.60/mo.*
3stores
Worcester Bosch Worcester Greenstar ERP System 9i 12i 15i 18i 21i 24i

Worcester Bosch Worcester Greenstar ERP System 9i 12i 15i 18i 21i 24i

Boiler Spare Part

£14.89
Or 3 interest-free payments of £4.96/mo.*
3stores
VAILLANT Ecotec Plus 415 418 428 438 Fan Inlet To Venturi O-Ring Seal 981331

VAILLANT Ecotec Plus 415 418 428 438 Fan Inlet To Venturi O-Ring Seal 981331

Boiler Spare Part

£8.26
Or 3 interest-free payments of £2.75/mo.*
3stores
Baxi Bermuda HE 15 Kit Float SWCH Assembly

Baxi Bermuda HE 15 Kit Float SWCH Assembly

Boiler Spare Part

£66.23
Or 3 interest-free payments of £22.07/mo.*
3stores
Ariston Microgenus II System 24 RFFI NG 31 RFFI NG Display PCB 65100709

Ariston Microgenus II System 24 RFFI NG 31 RFFI NG Display PCB 65100709

Boiler Spare Part

£33.60
Or 3 interest-free payments of £11.20/mo.*
3stores
Worcester Bosch Greenstar Junior I RI SI12-28KW Air Gas Manifold

Worcester Bosch Greenstar Junior I RI SI12-28KW Air Gas Manifold

Boiler Spare Part

£76.85
Or 3 interest-free payments of £25.61/mo.*
3stores
Baxi Combi 130HE 80 100 133 HE Plus Adaptor Flow Switch Kit

Baxi Combi 130HE 80 100 133 HE Plus Adaptor Flow Switch Kit

Boiler Spare Part

£104.13
Or 3 interest-free payments of £34.71/mo.*
3stores
Bosch Worcester Control Box Incorporating 87483004880

Bosch Worcester Control Box Incorporating 87483004880

Boiler Spare Part

£179.99
Or 3 interest-free payments of £59.99/mo.*
3stores
Spares2Go Boiler Filter 3/8 Aluminium Inline Central Heating Oil 2 Pack

Spares2Go Boiler Filter 3/8 Aluminium Inline Central Heating Oil 2 Pack

Boiler Spare Part

£19.79
Or 3 interest-free payments of £6.59/mo.*
3stores
Baxi Platinum Combi 24HE 28HE 30HE Wiring Harness

Baxi Platinum Combi 24HE 28HE 30HE Wiring Harness

Boiler Spare Part

£44.17
Or 3 interest-free payments of £14.72/mo.*
3stores
Baxi Combi Instant 105e 105he Combustion Chamber Panel 248015

Baxi Combi Instant 105e 105he Combustion Chamber Panel 248015

Boiler Spare Part

£12.02
Or 3 interest-free payments of £4.00/mo.*
3stores
Ferroli Modena 18s 25s 25c 27c Boiler NTC Sensor Clip On

Ferroli Modena 18s 25s 25c 27c Boiler NTC Sensor Clip On

Boiler Spare Part

£19.80
Or 3 interest-free payments of £6.60/mo.*
3stores
Ariston Chaffoteaux Ignition Transformer Boiler 61312612

Ariston Chaffoteaux Ignition Transformer Boiler 61312612

Boiler Spare Part

£54.58
Or 3 interest-free payments of £18.19/mo.*
3stores
VAILLANT Safety Switch 251852
-59%

VAILLANT Safety Switch 251852

Boiler Spare Part

£19.99£49.20
Or 3 interest-free payments of £6.66/mo.*
3stores
Ideal Icos HE12 HE15 HE18 HE24 Dry Fire Thermostat Kit

Ideal Icos HE12 HE15 HE18 HE24 Dry Fire Thermostat Kit

Boiler Spare Part

£30.81
Or 3 interest-free payments of £10.27/mo.*
3stores
Valor Highlight Model 495 Thermocouple 0522999

Valor Highlight Model 495 Thermocouple 0522999

Boiler Spare Part

£58.80
Or 3 interest-free payments of £19.60/mo.*
3stores
VAILLANT Packing O-Ring Pack Of 10

VAILLANT Packing O-Ring Pack Of 10

Boiler Spare Part

£8.26
Or 3 interest-free payments of £2.75/mo.*
3stores
ADEY MC1 Central Heating System Protector

ADEY MC1 Central Heating System Protector

Boiler Spare Part

£15.99
Or 3 interest-free payments of £5.33/mo.*
3stores
Ariston Chaffoteaux Elexia Comfort 24cf 24ff Boiler Microswitch

Ariston Chaffoteaux Elexia Comfort 24cf 24ff Boiler Microswitch

Boiler Spare Part

£10.79
Or 3 interest-free payments of £3.59/mo.*
3stores
Ideal Burner Kit 175571

Ideal Burner Kit 175571

Boiler Spare Part

£135.00
Or 3 interest-free payments of £45.00/mo.*
3stores
Ideal Combi 24 30 35 Boiler Gas Valve Kit 179033

Ideal Combi 24 30 35 Boiler Gas Valve Kit 179033

Boiler Spare Part

£69.99
Or 3 interest-free payments of £23.33/mo.*
3stores
VAILLANT Pressure Gauge 0020147866

VAILLANT Pressure Gauge 0020147866

Boiler Spare Part

£31.02
Or 3 interest-free payments of £10.34/mo.*
3stores
Ferroli maxima 35c & 35s boiler low water pressure switch 39809470

Ferroli maxima 35c & 35s boiler low water pressure switch 39809470

Boiler Spare Part

£41.87
Or 3 interest-free payments of £13.95/mo.*
3stores
Ideal I Combi i24 I30 I35 Boiler Flow Sensor Turbine Kit 176473

Ideal I Combi i24 I30 I35 Boiler Flow Sensor Turbine Kit 176473

Boiler Spare Part

£25.91
Or 3 interest-free payments of £8.63/mo.*
3stores
Biasi Savio Bi1293106 Insulating Panels Fiber Boiler Burner Gasket M110B
-51%

Biasi Savio Bi1293106 Insulating Panels Fiber Boiler Burner Gasket M110B

Boiler Spare Part

£40.50£82.81
Or 3 interest-free payments of £13.50/mo.*
3stores
VAILLANT Ecotec Pro 18E 28E Heat Exchanger Door Inspection Gasket 981329

VAILLANT Ecotec Pro 18E 28E Heat Exchanger Door Inspection Gasket 981329

Boiler Spare Part

£8.23
Or 3 interest-free payments of £2.74/mo.*
3stores
Ideal Ideal Isar M30100 Boiler User Control PCB

Ideal Ideal Isar M30100 Boiler User Control PCB

Boiler Spare Part

£19.99
Or 3 interest-free payments of £6.66/mo.*
3stores
VAILLANT Ecotec Pro 24 28 Gasket 0020039723

VAILLANT Ecotec Pro 24 28 Gasket 0020039723

Boiler Spare Part

£8.23
Or 3 interest-free payments of £2.74/mo.*
3stores
Bosch Worcester Seal Absorbed Glass Mat Elbow With Return Valve

Bosch Worcester Seal Absorbed Glass Mat Elbow With Return Valve

Boiler Spare Part

£3.03
Or 3 interest-free payments of £1.01/mo.*
3stores
Ebm Papst Ecotec Plus 415 418 428 Fan RG128/1300-3612-031111

Ebm Papst Ecotec Plus 415 418 428 Fan RG128/1300-3612-031111

Boiler Spare Part

£246.54
Or 3 interest-free payments of £82.18/mo.*
3stores
Ideal Viessmann Vitodens 100 WB1C 19kW 26kW 30kW 35kW Automatic Air Vent

Ideal Viessmann Vitodens 100 WB1C 19kW 26kW 30kW 35kW Automatic Air Vent

Boiler Spare Part

£13.02
Or 3 interest-free payments of £4.34/mo.*
3stores
VAILLANT 179034 Water Supply Pipe

VAILLANT 179034 Water Supply Pipe

Boiler Spare Part

£21.68
Or 3 interest-free payments of £7.22/mo.*
3stores
Baxi Potterton Main Boiler Fan 5112430

Baxi Potterton Main Boiler Fan 5112430

Boiler Spare Part

£137.84
Or 3 interest-free payments of £45.94/mo.*
3stores
Worcester Bosch Worcester Insulation 87161079070

Worcester Bosch Worcester Insulation 87161079070

Boiler Spare Part

£27.55
Or 3 interest-free payments of £9.18/mo.*
3stores
Baxi Genuine Platinum 2 Combi GA 28 33 40 Thermodisc Sensor

Baxi Genuine Platinum 2 Combi GA 28 33 40 Thermodisc Sensor

Boiler Spare Part

£23.51
Or 3 interest-free payments of £7.83/mo.*
3stores
Ariston 340406 Electrode Anode

Ariston 340406 Electrode Anode

Boiler Spare Part

£52.76
Or 3 interest-free payments of £17.58/mo.*
3stores

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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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!

Shop smarter with PriceRunner

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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