Air Terminals · Registers & Grilles
Floor return grille
Register or grille assembly — Floor opening
ConnectionReturn plenum/duct
SupportStructural frame
How to install it
- 1
Frame and reinforce opening
- 2
install duct/boot
- 3
secure grille frame
- 4
set removable core
- 5
verify load rating.
Quality check
- Grille load-rated, frame square, no trip edge
Stop and verify
Stop if walking-load rating is unknown