Baxi 400 Heat
The Baxi 400 Heat has the option of a top or rear flue, making it an easy replacement for old standard efficiency boilers.
- Features
- Dimensions
- 5-year parts and labour warranty*
- Fits inside a standard kitchen cupboard
- Works extremely quietly
- Rear flue option for an even neater finish
- Compatible with market-leading Megaflo Eco cylinder
*Terms and Conditions apply.
- Boiler width = 370mm
- Boiler height = 625mm
- Boiler depth = 270mm
- Side clearance = 5mm
- Upper clearance = 190mm
- Lower clearance = 120mm
- Front clearance = 5mm in operation, 500mm for servicing
Installer Information
Technical Features
- 12, 15, 18, 24 and 30kW
- Top or rear flue
- No pump overrun needed
- Wall mounting plate
- Front and side access for easy installation and service
- Choice of flue lengths
- Boiler Plus compliant - Find out more
Dimensions
- Boiler width = 370mm
- Boiler height = 625mm
- Boiler depth = 270mm
- Side clearance = 5mm
- Upper clearance = 190mm
- Lower clearance = 120mm
- Front clearance = 5mm in operation, 500mm for servicing
Technical Data Table
| Baxi 400 Heat | 15 | 18 | 24 | |
| Sales code | Boiler only | 7668933 | 7668934 | 7668935 |
| Controls | ||||
| Operating mode selector switch with reset | Yes/no | Yes | Yes | Yes |
| User adjustable CH temperature | Range - e.g. 30ºC to 80ºC (+/- 5ºC) | Yes | Yes | Yes |
| LED status/fault diagnosis display | Yes/no | Yes | Yes | Yes |
| Gas | ||||
| SAP 2009 Annual Efficiency (PCDB/SEDBUK) | % | 89.2 | 89.2 | 89.1 |
| NOx class | 1-5 | 5 | 5 | 5 |
| ErP Product Information | ||||
| NOx | mg/kWh | 20 | 21 | 23 |
| Sound Power Level, Indoors | LWA dB | 33 | 34 | 35 |
| Space Heating Efficiency Class | A | A | A | |
| Heat Input CH | kW max gross (QnHs) | 18.32 | 21.75 | 28.62 |
| kW min gross (QnHs) | 8.59 | 8.59 | 8.59 | |
| Heat Output CH (non condensing) | kW max (Pn) | 16 | 19 | 25 |
| kW min (Pn) | 7.5 | 7.5 | 7.5 | |
| Gas supply pipe size | (mm) | 22 | 22 | 22 |
| Inlet supply pressure (natural gas) | mbar | 20 | 20 | 20 |
| Maximum gas rate | m3/hr | 1.75 | 2.07 | 2.73 |
| Mechanical and hydraulic | ||||
| Compartment ventilation required | No | No | No | |
| Flow / return pipe size | (mm) | 22 | 22 | 22 |
| Condensate discharge pipe | (mm) | 21.50 | 21.50 | 21.50 |
| Electrical | ||||
| Electrical supply | Volts / Hz | 230V/ 50Hz | 230V/ 50Hz | 230V/ 50Hz |
| Permanent live required | Yes/no | No | No | No |
| Switched live | Yes/no | Yes | Yes | Yes |
| Electrical power cable fitted as standard | 1m of 3 core | Yes | Yes | Yes |
| Power consumption | Watts | 20 | 23 | 33 |
| External fuse rating | Amps | 3 | 3 | 3 |
| Internal fuse rating | 1.6T | 1.6T | 1.6T | |
| Boiler IP rating (electrical protection) | Approval category | IPX4D | IPX4D | IPX4D |
| Pump overrun | Yes/no | No | No | No |
| Concentric flue system | ||||
| Standard telescopic concentric flue | Length in mm | 315-500 | 315-500 | 315-500 |
| Standard in-case rear telescopic concentric flue | Length in mm | 220-345 | 220-345 | 220-345 |
| Horizontal concentric (60/100mm) | Max equivalent length (m) | 6 | 6 | 6 |
| Reduction per 135º bend (m) | 0.5 | 0.5 | 0.5 | |
| Reduction per 93º bend (m) | 1 | 1 | 1 | |
| Horizontal concentric (80/125 mm) | Max equivalent length (m) | 12 | 12 | 12 |
| Reduction per 93º bend (m) | 1 | 1 | 1 | |
| Weight | ||||
| Installer lift weight | Max (kg) | 17.4 | 17.4 | 17.4 |
| Gross packaged boiler weight | (kg) | 21.5 | 21.5 | 21.5 |
Technical Literature
Product Training
We offer product training at our training centres across the UK for installers who want to get hands-on with Baxi boilers.
From construction and installation to functions and features, our expert trainers will give you a complete understanding of working with Baxi boilers.
