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.

EZY Y BRANCH - INSULATED EI*

Insulation EZY Y^® Branch with collars. Various sizes available.

price (inc GST) $48.09
3 Room Warm Air Transfer Kit WATS3250

Transfer heat to 3 rooms - 250º Fan

price (inc GST) $814.81
CLOVER LEAF MESH FLUE KIT PCK*

Perforated Double Cased Flue Kit with Triple Skin. 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) $673.53
Galvanised Casing Flue (450mm) GF*45

Galvanised Casing Flue. Available in a range of sizes and colours. If the size and colour you require isn't listed please contact us with the details.

price (inc GST) $28.08
CEILING BOX (12") CBO12*

Ceiling Box. 305mm 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) $99.56
S/S Bend 90? SB90*

Stainless Steel Bend 90°. Available in a range of sizes. If the size you require isn't listed please contact us with the details.

price (inc GST) $67.02
Old Style Cowl - Stainless Steel OSC*

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

price (inc GST) $77.34
Galvanised Casing Flue (900mm) GF*

Galvanised Casing Flue. Available in a range of sizes and colours. If the size and colour you require isn't listed please contact us with the details.

price (inc GST) $27.39
CEILING BOX - SHED TYPE (10") CBS10

Ceiling box (Shed Type) - Unpainted. (10") 254mm OUTER - 900mm L

price (inc GST) $96.97
PLAIN EXHAUST Y EY*

Plain exhaust Y. Various sizes available.

price (inc GST) $14.21
Galvanised Bend 45? GB45*

Galvanised Bend 45°. Available in a range of sizes. If the size you require isn't listed please contact us with the details.

price (inc GST) $36.86
HERRINGBONE MESH FLUE KIT PHK*

Perforated Herringbone Kit - Double Cased. Available in a range of paint colours. If the size or paint colour you require isn't listed please contact us with the details.

price (inc GST) $681.03
Flashing Cone - Stainless Steel SFC*

Flashing Cone - Stainless Steel. Available in a range of sizes. If the size you require isn't listed please contact us with the details.

price (inc GST) $78.82
4 Room Warm Air Transfer Kit WATS4250

Transfer heat to 4 rooms - 250º Fan

price (inc GST) $927.72
Zinc Anneal Painted Flue ZPF*

Zinc Anneal Painted Flue. 900mm long. Available in a range of paint colours. If the size or paint colour you require isn't listed please contact us with the details.

price (inc GST) $71.60
WIND COWL - STAINLESS STEEL WC*

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

price (inc GST) $150.60
Galvanised Bend 90? GB90*

Galvanised Bend 90°. Available in a range of sizes. If the size you require isn't listed please contact us with the details.

price (inc GST) $68.84
FLANGE - SUITS 10" CEILING BOX CBF10*

Flange to suit 10" (254mm) Outer Ceiling Box. 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) $67.69
S/S 45? DIRECT OFFSET SO

45o Stainless Steel Direct Offset.

price (inc GST) $117.37
FLANGE - SUITS 12" CEILING BOX CBF12*

Flange to suit 12" (305mm) Outer Ceiling Box. 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) $71.32