Rectangular & TDC · Taps, Branches & Fittings
Register box sidewall connection
Rectangular/round — Wall grille outlet
ConnectionBoot/box collar
SupportFraming bracket + branch support
How to install it
- 1
Coordinate stud/opening
- 2
support box
- 3
set face flush to finish plane
- 4
connect branch without twisting
- 5
seal
- 6
protect opening until grille install.
Quality check
- Box square
- correct depth
- no wall load on duct
- grille holes clear
Stop and verify
Stop for rated wall or framing conflict