
Baxi Duo-Tec Combi Boilers
Baxi Duo-tec Combi Boilers – Repairs, Servicing and Installation – VHL
Straightforward to use, easy to control and compact enough to fit seamlessly into any part of your home; what’s not to love about the new Baxi Duo-tec combi boiler? From an installation perspective it’s one of the simplest boilers to work with thanks to the smart design, and the range of outputs means that it’s the perfect boiler range for any household.
Having designed and built boilers since 1866, Baxi have become one of the leading brands in the industry and the new Baxi Duo-tec combi boiler collection is one of the most efficient, economical and reliable ever produced.
With this new design you still receive industry-leading performance in terms of hot water and central heating when and where you need it; all from a compact design that doesn’t affect the styling of your home. Hot water is delivered at mains pressure and the clear LCD display ensures that you can adjust the temperature for improved performance as required.
The Baxi Duo-tec Combi Boiler Range: Facts & Figures
The Baxi Duo-tec combi boiler range includes four standard boiler models and an LPG option for those not on mains gas, and each comes with a range of options including timers and sensors to ensure that the hot water and central heating is ready when you are.
To help you to decide on the most suitable model from the Baxi Duo-tec combi boiler collection, we’ve compiled a handy guide below with all you need to know in terms of performance specifications.

Baxi Duo-tec 24 Combi
DIMENSIONS (mm): 450 x 780 x 345
MAX FLOW RATE (litres per minute): 9.8
MAX OUTPUT (Central Heating): 21kW
EFFICIENCY RATING: A
FUEL TYPE: Combi
- Built-in frost thermostat
- Clear LCD display and concealed user controls
- Compatible with Baxi sensors and programmable timers
Baxi Duo-tec 28 Combi
DIMENSIONS (mm): 450 x 780 x 345
MAX FLOW RATE (litres per minute): 11.5
OUTPUT: 25.9kW
EFFICIENCY RATING: A
FUEL TYPE: Combi
- Built-in frost thermostat
- Clear LCD display and concealed user controls
- Compatible with Baxi sensors and programmable timers
Baxi Duo-tec 33 Combi
DIMENSIONS (mm): 450 x 780 x 345
MAX FLOW RATE (litres per minute): 13.5
MAX OUTPUT (Central Heating): 30.3kW
EFFICIENCY RATING: A
FUEL TYPE: Combi
- Built-in frost thermostat
- Clear LCD display and concealed user controls
- Compatible with Baxi sensors and programmable timers
Baxi Duo-tec 40 Combi
DIMENSIONS (mm): 450 x 780 x 345
MAX FLOW RATE (litres per minute): 16.4
OUTPUT: 34.4kW
EFFICIENCY RATING: A
FUEL TYPE: Combi
- Built-in frost thermostat
- Clear LCD display and concealed user controls
- Compatible with Baxi sensors and programmable timers
Baxi Duo-tec 28 Combi LPG
DIMENSIONS (mm): 450 x 780 x 345
MAX FLOW RATE (litres per minute): 11.5
MAX OUTPUT (Central Heating): 25.9kW
EFFICIENCY RATING: A
FUEL TYPE: Combi
- Built-in frost thermostat
- Clear LCD display and concealed user controls
- Compatible with Baxi sensors and programmable timers
VHL and Baxi Boilers
Here at VHL you’ll find a range of services available including installation, maintenance, servicing and repairs; all of which will be performed by experienced and accredited engineers. Whenever we work with Baxi boilers we ensure that our team are equipped with Baxi diagnostic software and genuine parts to give you a fast, effective solution and a high quality finish.
We offer an extended guarantee on all parts and labour relating to Baxi boilers, including the Duo-tec combi range, so get in touch with the team at VHL today to find out more.