Not sure which boiler you need?
Not sure which boiler you need?

Baxi Boilers

Baxi Boiler Replacement & Installation

Find the Right Baxi Boiler for Your Home

Baxi boilers are a well-known choice in the UK, offering efficient heating, dependable performance and a wide range of models to suit different home sizes and hot water needs. Whether you’re replacing an older unit or upgrading to a modern combi or system boiler, Baxi has options designed for everyday reliability and strong running-cost efficiency.

On this page you can compare Baxi boiler models with clear key details, helping you choose the right solution for your property. If you’re unsure what type you need, a good starting point is your current set-up (combi, system or regular) and how many bathrooms you have — we’ll help point you towards a suitable Baxi boiler and a straightforward installation route.

Recommended Boilers

816 16KW Heat Only
  • Regular Gas Boiler
  • 16kW
  • Band rating: A
  • ERP rating: A
  • Warranty: 10 years
 818 18KW System
  • System Gas Boiler
  • 18kW
  • Band rating: A
  • ERP rating: A
  • Warranty: 10 years
 824 System
  • System Gas Boiler
  • 24kW
  • Band rating: A
  • ERP rating: A
  • Warranty: 10 years
 824 24KW Combi
  • Combi Gas Boiler
  • 24kW
  • Band rating: A
  • ERP rating: A
  • Warranty: 10 years
 825 Heat 25KW Heat Only
  • Regular Gas Boiler
  • 25kW
  • Band rating: A
  • ERP rating: A
  • Warranty: 10 years
 830 30KW Combi
  • Combi Gas Boiler
  • 30kW
  • Band rating: A
  • ERP rating: A
  • Warranty: 10 years
 830 Heat 30KW System
  • System Gas Boiler
  • 30kW
  • Band rating: A
  • ERP rating: A
  • Warranty: 10 years
 830 Heat 30KW Heat Only
  • Regular Gas Boiler
  • 30kW
  • Band rating: A
  • ERP rating: A
  • Warranty: 10 years
 836 Combi
  • Combi Gas Boiler
  • 36kW
  • Band rating: A
  • ERP rating: A
  • Warranty: 10 years

Other Boilers

124 Combi
  • Combi Gas Boiler
  • 24kW
  • Band rating: B
  • ERP rating: A
  • Warranty: 2 years
 128 Combi
  • Combi Gas Boiler
  • 28kW
  • Band rating: B
  • ERP rating: A
  • Warranty: 2 years
 212 Heat 12KW Heat Only
  • Regular Gas Boiler
  • 12kW
  • Band rating: A
  • ERP rating: A
  • Warranty: 3 years
 215 Heat 15KW Heat Only
  • Regular Gas Boiler
  • 15kW
  • Band rating: A
  • ERP rating: A
  • Warranty: 3 years
 218 Heat 18KW Heat Only
  • Regular Gas Boiler
  • 18kW
  • Band rating: A
  • ERP rating: A
  • Warranty: 3 years
 224 Combi
  • Combi Gas Boiler
  • 21.8kW
  • Band rating: A
  • ERP rating: A
  • Warranty: 3 years
 224 Combi 2 24KW Gas Boiler Combi
  • Combi Gas Boiler
  • 21.8kW
  • Band rating: A
  • ERP rating: A
  • Warranty: 2 years
 224 Heat 24KW Heat Only
  • Regular Gas Boiler
  • 24kW
  • Band rating: A
  • ERP rating: A
  • Warranty: 3 years
 228 Combi
  • Combi Gas Boiler
  • 21.8kW
  • Band rating: A
  • ERP rating: A
  • Warranty: 3 years
 228 Combi 2 28KW Gas Boiler Combi
  • Combi Gas Boiler
  • 21.8kW
  • Band rating: A
  • ERP rating: A
  • Warranty: 2 years
 230 Heat 30KW Heat Only
  • Regular Gas Boiler
  • 30kW
  • Band rating: A
  • ERP rating: A
  • Warranty: 3 years
 412 Heat 12KW Heat Only
  • Regular Gas Boiler
  • 12kW
  • Band rating: A
  • ERP rating: A
  • Warranty: 5 years
 415 Heat 15KW Heat Only
  • Regular Gas Boiler
  • 15kW
  • Band rating: A
  • ERP rating: A
  • Warranty: 5 years
 418 Heat 18KW Heat Only
  • Regular Gas Boiler
  • 18kW
  • Band rating: A
  • ERP rating: A
  • Warranty: 5 years
 424 Combi
  • Combi Gas Boiler
  • 21.8kW
  • Band rating: A
  • ERP rating: A
  • Warranty: 5 years
 424 Combi 2 24KW Gas Boiler Combi
  • Combi Gas Boiler
  • 21.8kW
  • Band rating: A
  • ERP rating: A
  • Warranty: 5 years
 424 Heat 24KW Heat Only
  • Regular Gas Boiler
  • 24kW
  • Band rating: A
  • ERP rating: A
  • Warranty: 5 years
 428 Combi
  • Combi Gas Boiler
  • 21.8kW
  • Band rating: A
  • ERP rating: A
  • Warranty: 5 years
 430 Combi 2 30KW Gas Boiler Combi
  • Combi Gas Boiler
  • 21.8kW
  • Band rating: A
  • ERP rating: A
  • Warranty: 5 years
 430 Heat 30KW Heat Only
  • Regular Gas Boiler
  • 30kW
  • Band rating: A
  • ERP rating: A
  • Warranty: 5 years
 613 13KW Heat Only
  • Regular Gas Boiler
  • 13kW
  • Band rating: A
  • ERP rating: A
  • Warranty: 7 years
 615 15KW System
  • System Gas Boiler
  • 15kW
  • Band rating: A
  • ERP rating: A
  • Warranty: 7 years
 616 16KW Heat Only
  • Regular Gas Boiler
  • 16kW
  • Band rating: A
  • ERP rating: A
  • Warranty: 7 years
 618 18KW System
  • System Gas Boiler
  • 18kW
  • Band rating: A
  • ERP rating: A
  • Warranty: 7 years
 619 19KW Heat Only
  • Regular Gas Boiler
  • 19kW
  • Band rating: A
  • ERP rating: A
  • Warranty: 7 years
 624 Combi
  • Combi Gas Boiler
  • 21.2kW
  • Band rating: A
  • ERP rating: A
  • Warranty: 7 years
 624 24KW System
  • System Gas Boiler
  • 24kW
  • Band rating: A
  • ERP rating: A
  • Warranty: 7 years
 625 25KW Heat Only
  • Regular Gas Boiler
  • 25kW
  • Band rating: A
  • ERP rating: A
  • Warranty: 7 years
 630 Combi
  • Combi Gas Boiler
  • 21.2kW
  • Band rating: A
  • ERP rating: A
  • Warranty: 7 years
 630 Heat 30KW Heat Only
  • Regular Gas Boiler
  • 30kW
  • Band rating: A
  • ERP rating: A
  • Warranty: 7 years
 636 Combi
  • Combi Gas Boiler
  • 26.4kW
  • Band rating: A
  • ERP rating: A
  • Warranty: 7 years
 816 Heat 16KW Heat Only
  • Regular Gas Boiler
  • 16kW
  • Band rating: A
  • ERP rating: A
  • Warranty: 10 years
 824 24KW System
  • System Gas Boiler
  • 24kW
  • Band rating: A
  • ERP rating: A
  • Warranty: 10 years
 825 Combi
  • Combi Gas Boiler
  • 21.2kW
  • Band rating: A
  • ERP rating: A
  • Warranty: 10 years
 Combi 105 He 30KW Gas Boiler Combi
  • Combi Gas Boiler
  • 30kW
  • Band rating: B
  • ERP rating: A
  • Warranty: 2 years
 Duo Tec Combi 24 Gas Boiler Combi
  • Combi Gas Boiler
  • 21kW
  • Band rating: A
  • ERP rating: A
  • Warranty: 7 years
 Duo Tec Combi 28 Gas Boiler Combi
  • Combi Gas Boiler
  • 25.9kW
  • Band rating: A
  • ERP rating: A
  • Warranty: 7 years
 Duo Tec Combi 28 Lpg Gas Boiler Combi
  • Combi Gas Boiler
  • 25.9kW
  • Band rating: A
  • ERP rating: A
  • Warranty: 7 years
 Duo Tec Combi 33 Gas Boiler Combi
  • Combi Gas Boiler
  • 30.3kW
  • Band rating: A
  • ERP rating: A
  • Warranty: 7 years
 Duo Tec Combi 40 Gas Boiler Combi
  • Combi Gas Boiler
  • 34.4kW
  • Band rating: A
  • ERP rating: A
  • Warranty: 7 years
 Ecoblue Advance Combi 24 Gas Boiler Combi
  • Combi Gas Boiler
  • 21.2kW
  • Band rating: A
  • ERP rating: A
  • Warranty: 10 years
 Ecoblue Advance Combi 28 Gas Boiler Combi
  • Combi Gas Boiler
  • 25.3kW
  • Band rating: A
  • ERP rating: A
  • Warranty: 10 years
 Ecoblue Advance Combi 33 Gas Boiler Combi
  • Combi Gas Boiler
  • 29.6kW
  • Band rating: A
  • ERP rating: A
  • Warranty: 10 years
 Ecoblue Advance Combi 40 Gas Boiler Combi
  • Combi Gas Boiler
  • 33.9kW
  • Band rating: A
  • ERP rating: A
  • Warranty: 10 years
 Ecoblue Advance Heat 13 Heat Only
  • Regular Gas Boiler
  • 13kW
  • Band rating: B
  • ERP rating: A
  • Warranty: 7 years
 Ecoblue Advance Heat 16 Heat Only
  • Regular Gas Boiler
  • 16kW
  • Band rating: B
  • ERP rating: A
  • Warranty: 7 years
 Ecoblue Advance Heat 19 Heat Only
  • Regular Gas Boiler
  • 19kW
  • Band rating: B
  • ERP rating: A
  • Warranty: 7 years
 Ecoblue Advance Heat 25 Heat Only
  • Regular Gas Boiler
  • 25kW
  • Band rating: B
  • ERP rating: A
  • Warranty: 7 years
 Ecoblue Advance Heat 30 Heat Only
  • Regular Gas Boiler
  • 30kW
  • Band rating: B
  • ERP rating: A
  • Warranty: 7 years
 Ecoblue Heat 12 Heat Only
  • Regular Gas Boiler
  • 12kW
  • Band rating: B
  • ERP rating: A
  • Warranty: 2 years
 Ecoblue Heat 15 Heat Only
  • Regular Gas Boiler
  • 15kW
  • Band rating: B
  • ERP rating: A
  • Warranty: 2 years
 Ecoblue Heat 18 Heat Only
  • Regular Gas Boiler
  • 18kW
  • Band rating: B
  • ERP rating: A
  • Warranty: 2 years
 Ecoblue Heat 21 Heat Only
  • Regular Gas Boiler
  • 21kW
  • Band rating: B
  • ERP rating: A
  • Warranty: 2 years
 Ecoblue Heat 24 Heat Only
  • Regular Gas Boiler
  • 24kW
  • Band rating: B
  • ERP rating: A
  • Warranty: 2 years
 Ecoblue System 12 Gas Boiler System
  • System Gas Boiler
  • 12kW
  • Band rating: B
  • ERP rating: A
  • Warranty: 7 years
 Ecoblue System 15 Gas Boiler System
  • System Gas Boiler
  • 15kW
  • Band rating: B
  • ERP rating: A
  • Warranty: 7 years
 Ecoblue System 18 Gas Boiler System
  • System Gas Boiler
  • 18kW
  • Band rating: B
  • ERP rating: A
  • Warranty: 7 years
 Ecoblue System 24 Gas Boiler System
  • System Gas Boiler
  • 24kW
  • Band rating: B
  • ERP rating: A
  • Warranty: 7 years
 Ecoblue System 28 Gas Boiler System
  • System Gas Boiler
  • 28kW
  • Band rating: B
  • ERP rating: A
  • Warranty: 7 years
 Ecoblue System 32 Gas Boiler System
  • System Gas Boiler
  • 32kW
  • Band rating: B
  • ERP rating: A
  • Warranty: 7 years
 Ecoblue+ Combi 24 Gas Boiler Combi
  • Combi Gas Boiler
  • 24kW
  • Band rating: B
  • ERP rating: A
  • Warranty: 7 years
 Ecoblue+ Combi 28 Gas Boiler Combi
  • Combi Gas Boiler
  • 28kW
  • Band rating: B
  • ERP rating: A
  • Warranty: 7 years
 Ecoblue+ Combi 33 Gas Boiler Combi
  • Combi Gas Boiler
  • 33kW
  • Band rating: B
  • ERP rating: A
  • Warranty: 7 years
 Megaflo System 15 Gas Boiler System
  • System Gas Boiler
  • 15kW
  • Band rating: A
  • ERP rating: A
  • Warranty: 7 years
 Megaflo System 18 Gas Boiler System
  • System Gas Boiler
  • 18kW
  • Band rating: A
  • ERP rating: A
  • Warranty: 7 years
 Megaflo System 24 Gas Boiler System
  • System Gas Boiler
  • 24kW
  • Band rating: A
  • ERP rating: A
  • Warranty: 7 years
 Megaflo System 28 Gas Boiler System
  • System Gas Boiler
  • 28kW
  • Band rating: A
  • ERP rating: A
  • Warranty: 7 years
 Megaflo System 32 Gas Boiler System
  • System Gas Boiler
  • 32kW
  • Band rating: A
  • ERP rating: A
  • Warranty: 7 years
 Neta Tec Combi 33 Ga Gas Boiler Combi
  • Combi Gas Boiler
  • 33kW
  • Band rating: B
  • ERP rating: A
  • Warranty: 5 years
 Platinum Combi 24 Gas Boiler Combi
  • Combi Gas Boiler
  • 24kW
  • Band rating: A
  • ERP rating: A
  • Warranty: 10 years
 Platinum Combi 28 Gas Boiler Combi
  • Combi Gas Boiler
  • 24kW
  • Band rating: A
  • ERP rating: A
  • Warranty: 10 years
 Platinum Combi 33 Gas Boiler Combi
  • Combi Gas Boiler
  • 28kW
  • Band rating: A
  • ERP rating: A
  • Warranty: 10 years
 Platinum Combi 40 Gas Boiler Combi
  • Combi Gas Boiler
  • 32kW
  • Band rating: A
  • ERP rating: A
  • Warranty: 10 years
 Platinum+ 32KW System
  • System Gas Boiler
  • 32kW
  • Band rating: A
  • ERP rating: A
  • Warranty: 10 years
 Platinum+ 40KW Combi
  • Combi Gas Boiler
  • 34.4kW
  • Band rating: A
  • ERP rating: A
  • Warranty: 10 years
 Solo 15 He A Heat Only
  • Regular Gas Boiler
  • 15kW
  • Band rating: B
  • ERP rating: A
  • Warranty: 2 years

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