The Baxi Duo-tec Combi HE A boiler is a firm favourite with installers and householders because it is straightforward to install and simple to use. It is an Energy Saving Trust recommended product, so you can be sure it meets the highest standards of energy efficiency.
We are so confident in the reliability of the Baxi Duo-tec Combi HE A that we are offering a 7-year warranty as standard on all Baxi Duo-tec HE A boilers installed between 1st February and 30th June 2014*.Find out more on our warranties page
|Duo-tec Combi 24 HE A||Duo-tec Combi 28 HE A||Duo-tec Combi 33 HE A||Duo-tec Combi 40 HE A|
|Heat Output Central Heating (CH) (70oC Mean)||kW (Max)||20||24||28||33|
|Heat Output DHW||Output - kW (Max)||24||28||33||40|
|Maximum DHW Flow Rate (Delta T @ 35o Max)||l/min||9.8||11.5||13.5||16|
|Minimum DHW Flow Rate Required*||l/min||2||2||2||2|
|Minimum Operating DHW Pressure Required||bar||0.15||0.15||0.15||0.15|
|SEDBUK 2005 Seasonal Efficiency NG||%||91.1||91.1||91.1||91.1|
|SEDBUK 2009 Seasonal Efficiency NG||%||89||89||88.9||88.9|
|NOx Class (5 being lowest)||1 - 5||5||5||5||5|
|Mechanical & Hydraulic Connections|
|CH Flow/Return Pipe Size||(mm)||22||22||22||22|
|DHW Flow/Inlet/PRV Size||(mm)||15||15||15||15|
A Multifit GasSaver can be installed with the boiler and could contribute additional annual gas savings on domestic hot water of up to 37%** - meaning even more savings on your fuel bills and greater benefit for the environment.
**Test conducted by independent scientific test house, TNO. Calculation based on an average household's consumption of 100 litres of hot water per day. Results were based on a comparison of a SEDBUK 2005 (> 90%) rated high efficiency boiler versus a high efficiency boiler and GasSaver.
Read more about the Baxi Duo-tec Combi HE A by taking a look at our product literature, whether looking for instructions on what to do when changing a boiler part, or finding out about the benefits of using a Baxi.
We have Gas Safe Registered installers all over the UK who will be able to give you a quote for the installation of your new boiler. To use our handy find an installer tool, simply enter a few details and we'll do all the hard work for you by contacting them on your behalf.
The installer will get in touch to arrange a site survey to give you a competitive, no obligation quote.
Unsure of what type of boiler you need?
Try our find a boiler tool. It will ask you a few key questions relating to your heating and hot water requirements and recommend a suitable gas boiler.