Side-by-side reference

Understand the difference.

Compare the meaning, drawing context and source references of two entries. A similar graphic or shared abbreviation does not establish equivalence.

ESD-403Greenheck ESD-403 drainable louver: equipment preview
General arrangement objects

Greenheck ESD-403 drainable louver

Locate the frame section relative to the wall face and show the interface to the internal duct or plenum. Coordinate any multi-section joints with the support detail.

Drawing use
GA
Application
Equipment layouts
Reference family
Manufacturer

A distinction that matters

A drawing establishes a mounting interface, not the selected airflow or water-penetration performance.

Full reference
GAVentilation intake louver: equipment preview
General arrangement objects

Ventilation intake louver

An intake louver forms a selected air-entry interface in a wall or enclosure.

Drawing use
GA / SLD
Application
Equipment layouts
Reference family
Manufacturer

A distinction that matters

Overall opening area does not equal the louver's effective free area.

Full reference

Follow the full entry for source drawings and the appropriate standard or selected product. Equipment previews show a manufacturer drawing where available, otherwise a 3D thumbnail.

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