Thermal Variable Air Diffuser – Linear (TVAD-LL)

Thermal Variable Air Diffuser – Linear (TVAD-LL)

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The TVAD-LL is a thermally powered self-modulating variable air volume linear slot diffuser that contains a built-in temperature sensing and volume control mechanism, with separate set points for both heating and cooling.

Supply air velocity is maintained, available in a 2-slot or 4-slot option with either one-way or two-way distribution pattern. Available to suit ceiling grid systems with 597mm, 897mm and 1197mm face options.

Aesthetically identical to the popular electronic model range but with the advantage of no external wiring or power supply.

Electronic model compatible with most commonly used Building Management Systems (BMS).


Manufactured from sheet steel. Standard finish is white satin (other finishes available upon request).


Thermal range includes variable air diffuser square plaque face. Thermal linear range includes linear slot.

Electronic range includes variable air diffuser square and round plaque face, swirl diffuser square and round face. Electronic linear range includes linear slot and bulkhead / wall types.

B Frames available.


Performance data available upon request.