Combustion Heating Components - Air Diffusion Agencies - Your one stop air conditioning shop

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.

CIRCULAR CONE DIFFUSER (INTAKE) RCD*

Circular Cone Diffuser (Intake)

price (inc GST) $33.57
DOOR FRAMES S/S - LARGE TURBO 12 ST12

Stainless Steel - Large Turbo 12

price (inc GST) $136.07
2 Room Warm Air Transfer Kit WATS2

Transfer heat to 2 rooms - 200º Fan

price (inc GST) $601.48
STAINLESS STEEL CHIMNEY FLUE KIT CFK*

Chimney Flue Kit. Stainless Steel 304 Grade 0.55

price (inc GST) $323.87
CEILING BOX & FLANGE (12") CB12*

Ceiling Box & Flange (12") 305mm outer - 500mm long. Available in a range of paint colours.

price (inc GST) $161.60
PVC NITTO JOINING TAPE GREY 30M TAPEJ

Nitto Joining/Sealing Tape 0.13mm x 48mm x 30m

price (inc GST) $5.98
SIEMENS ROOM THERMOSTAT MANUAL ON / OFF SRAA31

Electromechanical room thermostat with on/off switch.

price (inc GST) $173.24
S/S Flue Pipe (900mm) SF*

Stainless Steel Flue Pipe - 900mm Long. Available in a range of sizes. If the size you require isn't listed please contact us with the details.

price (inc GST) $65.33
GAS COWL - GALVANISED GC*

Gas Cowl

price (inc GST) $54.08
Flexible Flue Adaptor FFA*

Flexible Flue Adaptors. Available in 2 sizes.

price (inc GST) $41.10
PAINTED STAINLESS STEEL FLUE KIT PSK*

Painted Stainless Steel Flue Kit - Double Cased. Available in a range of sizes and paint colours. If the size or paint colour you require isn't listed please contact us with the details.

price (inc GST) $603.66
Painted S/S Flue Pipe (900mm) SFP*

Painted Stainless Steel Flue Pipe. 900mm Long. Available in a range of sizes and paint colours. If the size or paint colour you require isn't listed please contact us with the details.

price (inc GST) $87.46
PLASTIC REDUCER PR*

Plastic reducer. Various sizes available.

price (inc GST) $20.37
CEILING BOX (10") CBO10*

Ceiling Box. 254mm OUTER - 500mm long. Available in a range of paint colours. If the paint colour you require isn't listed please contact us with the details.

price (inc GST) $85.51
Vertical Discharge Cowl S/S VC*

Stainless Steel Vertical Discharge Cowl. Available in a range of sizes. If the size you require isn't listed please contact us with the details.

price (inc GST) $215.80
DIRECT JET DJ*

DIRECT JET

price (inc GST) $34.23
S/S Bend 45? X-LONG SB456L*

Stainless Steel Bend, extra long. Suits: 45°. Available unpainted or in a range of paint colours.

price (inc GST) $58.63
3 Room Warm Air Transfer Kit WATS3

Transfer heat to 3 rooms - 200º Fan

price (inc GST) $694.18
AQUASEAL AQUASEAL*

Select size from the drop down menu option.

price (inc GST) $8.38
CHIMNEY PLATE GALV (10") 254mm CP

Galvanised Chimney Plate (10") 254mm

price (inc GST) $45.24