The Baxi 630 Combi heats your radiators and gives you hot water straight from the mains, with no tank or cylinder. 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 630 Combi |
|---|---|
| Boiler type | Combi, condensing, wall mounted |
| Fuel | Mains gas |
| Central heating output | 21.2 kW |
| Hot water output | 30.9 kW |
| Hot water flow rate | 12.2 l/min |
| Efficiency | 93%, A-rated |
| Manufacturer warranty | 7 years parts and labour, with an annual service |
| Dimensions (H x W x D) | 700 x 390 x 285 mm |
| Weight | 29.5 kg |
Who it suits
- Three-bedroom homes with up to about 9 radiators and no more than 2 bathrooms.
- Smaller flats may suit the 624. Larger 4–5 bedroom homes with up to 20 radiators may suit the 636.
Why people choose it
- Hydrogen-ready: Can run on a natural gas blend with up to 20% hydrogen.
- Smart controls: OpenTherm-compatible, so it works with Hive, Nest and Baxi uSense.
- Light and compact: 29.5 kg, at 700 x 390 x 285 mm.
FAQs
Can I connect the Baxi 630 to a smart thermostat?
Yes. OpenTherm lets it work with Hive, Nest and Baxi uSense.
What warranty does it have?
7 years parts and labour, provided it’s serviced every year by a Gas Safe registered engineer.
What size home is it for?
Typically a 3-bedroom home with up to 9 radiators and no more than 2 bathrooms.
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.