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alert smlAir Diffusion continue to monitor the impact of the COVID-19. Currently all stores remain open and we continue to be able to fulfil online orders. As we forecast in advance we have plenty of stock for this winter season. Please be reassured that if an online order cannot be fulfilled we will contact you and a full refund will be made available.

Combustion Heating Components

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.

Use the 'Set Shipping Address' button for postage estimation. Save on postage by selecting the 'Pick up' option at checkout and collect from a local Air Diffusion store.

Found a lower price? Let us know and we'll match it