Air Diffusion Agencies are the leading Australian supplier of quality combustion heating components in Australia. 

As an authorised dealer for many combustion heating brands we offer a complete range of components for your heating system including; dektites, ceiling boxes, flue kits, chimney plates, flexi flue and much more. 

Browse through the categories or use the 'Product Filter' to search for the part you need. Can't find the part, just contact us with the details and we will help you out.