The Baxi Duo-tec Combi GA boiler is an Energy Saving Trust endorsed product, so you can be sure it meets the highest standards of energy efficiency.
It is available in outputs of 24kW, 28kW, 33kW and the popular 40kW model, which delivers a higher domestic hot water flow rate for larger properties.
* Subject to registration and an annual service. Terms and conditions apply.
A: Boiler width = 450mm
B: Boiler height = 763mm
C: Boiler depth = 355mm
D: Side clearance = 5mm
E: Upper clearance = 175mm
F: Lower clearance = 150mm
G: Front clearance = 5mm in operation, 450mm for servicing
|Duo-tec Combi 24||Duo-tec Combi 28||Duo-tec Combi 33||Duo-tec Combi 40|
|Heat Output CH||kW (Max)||20||24||28||33|
|Heat Output DHW||Output - kW (Max)||24||28||33||40|
|Maximum DHW Flow Rate (Delta T @ 35°Max)||l/min||9.8||11.5||13.5||16.4|
|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|
|SAP 2009 Annual Efficiency (PCDB/SEDBUK)||%||89.0||89.0||88.9||88.9|
|NOx Class (5 being lowest)||1 - 5||5||5||5||5|
|ErP Product Information|
|Sound Power Level, Indoors||LWA dB||50||53||52||50|
|Space Heating Efficiency Class||A||A||A||A|
|Water Heating Declared Load Profile||XL||XL||XL||XL|
|Water Heating Efficiency Class||A||A||A||A|
|Mechanical & Hydraulic Connections|
|CH Flow / Return Pipe Size||(mm)||22||22||22||22|
|DHW Flow / Inlet / PRV Size||(mm)||15||15||15||15|
|Condensate Discharge Pipe Size||(mm)||21.5||21.5||21.5||21.5|
Additional heating and hot water controls can improve the overall performance of your heating system by as much as 13% (according to ErP Directive drafts), dramatically reducing the amount of fuel you use, and the amount you pay for your energy bill.
For more information please speak to your installer as they will be able to advise you on the controls that are right for you.
*Test conducted by independent scientific test house TNO, based on an average household's consumption of 100 litres of hot water per day
You can find out more about the Baxi Duo-tec Combi GA by reading the associated product literature, whether looking for a guide on how to use your boiler's controls, or instructions on how to install a product component.
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.