Baxi Duo-tec Combi LPG
One of Baxi’s most popular boilers especially designed for homes using LPG.
- Features
- Dimensions
- 7 year parts and labour warranty*
- Built in the UK using top quality brass components
- Up to 40kW providing 16.4 litres/minute hot water for exceptional hot water performance
- For homes off the mains gas network - could save money on fuel bills
*Terms and Conditions apply.
- Boiler width = 450mm
- Boiler height = 780mm
- Boiler depth = 345mm
- Side clearance = 5mm
- Upper clearance = 200mm
- Lower clearance = 150mm
- Front clearance = 5mm in operation, 450mm for servicing
Installer Information
Technical Features
- Dedicated 28kW LPG model
- Easy to install and service
- Full wall mounting jig
- Choice of flue lengths
Dimensions
- Boiler width = 450mm
- Boiler height = 780mm
- Boiler depth = 345mm
- Side clearance = 5mm
- Upper clearance = 200mm
- Lower clearance = 150mm
- Front clearance = 5mm in operation, 450mm for servicing
Technical Data Table
| Baxi Duo-tec Combi LPG | 28 Combi | |
| Sales code | 7219417 |
|
| Controls | ||
| Concealed user controls | Yes | |
| On/off switch with reset | Yes | |
| User adjustable DHW temperature | Yes | |
| User adjustable CH temperature | Yes | |
| LED temp / status / fault diagnosis display | Yes | |
| Gas | ||
| Gas supply connection | mm | 22 |
| Natural gas | Yes | |
| LPG (propane) | N/A | |
| Nominal inlet supply pressure NG | mbar | 20 |
| Nominal inlet supply pressure LPG | mbar | N/A |
| Maximum gas rate | m3/hr | 3.1 |
| Heat input central heating | kW max gross (QnHs) | 27.4 |
| kW min gross (QnHs) | 10 | |
| Heat output CH non condensing | kW max (Pn) | 24 |
| kW min (Pn) | 8.7 | |
| Heat out CH condensing | kW max (Pnc) | 25.9 |
| kW min (Pnc) | 9.5 | |
| Heat input domestic hot water (DHW) | kW max gross (QnwHs) | 32.1 |
| Heat output domestic hot water | kW max (Pn) | 28 |
| Maximum domestic hot water flow rate | l/min @ 35oc | 11.5 |
| SAP 2009 annual efficiency (PCDB/SEDBUK) | % | 90.6 |
| Nox Class | 5 | |
| ErP Product information | ||
| NOx | mg/kWh | 23 |
| Sound power level, indoors | Lwa dB | 53 |
| Space heating efficiency class | A | |
| Water heat declared load profile | XL | |
| Water heating efficiency class | A | |
| Electrical | ||
| Electrical supply | Volts/Hz | 230V/50Hz |
| Permanent live required | Yes | |
| Fitted electrical cable | ||
| Power consumption | Watts | 120 |
| External fuse rating | Amps | 3 |
| Internal fuse rating | Amps | F2L |
| Ingress protection rating (without electro-mechanical timer fitted) | IPX 5D | |
| 24 hour pump exercise | Yes | |
| Pump overrun | Yes | |
| Integral 'boiler only' frost thermostat | Yes | |
| Mechanical and hydraulic | ||
| Compartment ventilation requirement | None | |
| Pre-plumbing / wall mounting jig | Yes | |
| Flow and return pipe size | mm | 22 |
| Condensate discharge pipe size | mm | 21.5 |
| Integral automatic bypass | Yes | |
| Min domestic hot water flow rate | l/min | 2 |
| Min domestic hot water operating pressure | bar | 0.15 |
| Maximum DHW system pressure | bar | 8 |
| Safety discharge pressure | bar | 3 |
| Integral expansion vessel capacity | litres | 8 |
| Max capacity of central heating system | litres | 125 |
| Filling loop included | Yes | |
| CH system inhibitor required | Yes | |
| Concentric Flue System | ||
| Standard horizontal flue kit length | mm | 685 |
| Max equiv length horizontal / vertical (60/100mm) | m | 10 |
| Max equiv length horizontal / vertical (80/125mm) | m | 20 |
| Equivalent length per 135obend | m | 0.5 |
| Equivalent length per 93obend | m | 1 |
| Twin pipe flue system | ||
| Diameters | mm | 80/80 |
| Max equiv length horizontal / vertical (parallel pipes) | m | 15/15 |
| obend | m | 0.25 |
| obend | m | 0.5 |
| Weights | ||
| Max installation lift weight | kg | 40.2 |
| Gross packaged boiler weight | kg | 46 |
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.
