Return Air Grilles
14x14 return air grille
| Brand | shengtongJH |
|---|---|
| Nominal opening W × H | 14 × 14 in / 355.6 × 355.6 mm |
| Alternative sizes | 12 × 12 / 16 × 16 in by system selection |
| Core | Fixed horizontal blades or selected grid |
| Material | Aluminium or powder-coated steel |
| Frame | Surface flange or defined recessed detail |
| Access | Removable centre where required |
| Filter provision | Separate matched holder option |
| Fixing | Perimeter fixing to supported substrate |
| Finish | White or selected coating |
| Selection inputs | Return flow, rear approach and acceptable resistance |
The nominal opening and the overall border are different dimensions. Verify the rear neck and frame detail before construction.
Border, core access, finish and rear interface can be customized to the square branch and available installation space.
A 14x14 return air grille is a compact square option for an industrial or commercial return branch. It should be coordinated with the surrounding opening and the service access needed behind the face.
Fit the branch without crowding the services
A small square face can fit between larger service zones, but it still needs clear access to its fasteners or removable core. Check the installation against light fittings, cable covers and adjacent panels. A grille that is easy to fit before these items are installed can become difficult to maintain afterwards.
Include the border and the direction of core removal on the layout. The nominal airway alone does not describe the space used by the complete assembly.
Keep the rear approach open
A return box with an obstruction immediately behind the grille can reduce the usable passage. Coordinate the branch connection and any nearby structural member before finalising the opening. If the layout forces a restricted approach, consider changing the box or opening position instead of relying on a different front pattern to solve it.
Decide how much access is actually needed
A removable core is useful for cleaning the face and inspecting the return void. It may not be large enough to service equipment located further behind the wall. If a damper or another component needs substantial access, provide a dedicated service opening rather than assuming the return grille will serve both purposes.
For a filter-equipped arrangement, check the panel withdrawal path and holder dimensions independently. The added filter resistance should be included in selection from the start. When the system filters centrally, an unfiltered grille with straightforward cleaning access may be the simpler choice.
Define the order clearly
State the mounting surface, nominal opening, material and access method. These details let shengtongJH source a complete compatible face assembly rather than a similar-sized cover with the wrong rear or fixing detail.
Border, core access, finish and rear interface can be customized to the square branch and available installation space.