The Baxi 818 System heats a hot water cylinder, so several taps and showers can run at once, and it needs no loft tank. You can check your fixed installed price online in a couple of minutes. See your fixed price in our online quote.
Key specs
| Spec | Baxi 818 System |
|---|---|
| Boiler type | System, condensing, wall mounted |
| Fuel | Mains gas |
| Heating output | 18 kW |
| Hot water flow rate | N/A (stored in a cylinder) |
| Efficiency | 93%, A-rated (ErP: A heating) |
| Manufacturer warranty | 7 years parts and labour, with Gas Safe installation and an annual service |
Who it suits
- Homes with a hot water cylinder and more than one bathroom.
- Medium heating demand. Smaller homes may need less output and larger homes more.
Why people choose it
- Smart-control ready: Works with smart heating controls for remote use.
- Efficient: 93%, A-rated.
- Simple to use: A clear, user-friendly interface.
FAQs
What warranty does the Baxi 818 have?
7 years parts and labour, provided it’s installed and serviced to Baxi’s terms.
Does it need a cylinder?
Yes. It’s a system boiler that heats stored water.
Can I control it from my phone?
Yes, with a compatible smart thermostat.
Get your fixed price online
Answer a few quick questions about your home and current boiler. You’ll see a fixed installed price straight away and can book online.