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.

EHH-501Greenheck EHH-501 wind-driven-rain louver: equipment preview
General arrangement objects

Greenheck EHH-501 wind-driven-rain louver

Check the EHH-501 frame against the available wall depth and adjacent structural members. Keep the drainable head and sill interfaces coordinated with the facade detail.

Drawing use
GA
Application
Equipment layouts
Reference family
Manufacturer

A distinction that matters

Rain-resistance performance and free area require the selected manufacturer data, not measurement from the conceptual GA icon.

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.

Compare electrical drawing references | Elora Grid