Baxi have been around since 1866, making them one of Britain’s longest-running heating brands. Their numbered range makes choosing easy: the higher the number, the higher the spec.
A simple, reliable boiler at a lower price, ideal for smaller homes.
CombiHeat only
A step up in features and guarantee length, with a version for every type of system.
CombiSystemHeat only
Baxi’s top range, with brass and stainless steel components and a magnetic system filter in the box.
CombiSystemHeat only
Here is how the three Baxi ranges compare on boiler type, guarantee and the homes they suit best.
| Baxi 400 | Baxi 600 | Baxi 800 | |
|---|---|---|---|
| Range | Entry level | Mid-range | Premium |
| Boiler types | Combi or heat only | Combi, system or heat only | Combi, system or heat only |
| Guarantee when we fit it | 5 years | 7 years | 10 years |
| Best for | Smaller homes on a budget | Most homes | Larger homes and anyone who wants the best |
| Stand-out feature | A simple, reliable boiler at a lower price | A step up in features and guarantee, with a version for every system | Brass and stainless steel components and a magnetic system filter in the box |
Our case studies compare each model side by side, so you only pay for what your home needs.
The 800 uses higher-grade brass and stainless steel components, includes a magnetic system filter in the box and has a longer guarantee: 10 years against 7 years on the 600 when we fit them.
No, the Baxi 400 comes as a combi or heat only boiler. For a system boiler, choose the 600 or 800.
When we fit it, you get 5 years on the Baxi 400, 7 years on the 600 and 10 years on the 800, as long as the boiler is serviced every year.
Baxi is one of Britain's longest-running heating brands, and its numbered range makes it easy to choose the right level for your home and budget.
Tell us a little about your home and we’ll recommend the right type, size and model, then give you a clear quote.
