Air Distribution · Plenums
Square diffuser top-inlet plenum
Plenum box assembly — Above ceiling
ConnectionRound top collar
SupportIndependent hanger wires/rods
How to install it
- 1
Set plenum level
- 2
support from structure
- 3
connect round branch
- 4
seal collar
- 5
mount diffuser face
- 6
verify internal damper/pattern device.
Quality check
- Box square, collar sealed, diffuser removable
Stop and verify
Stop if ceiling supports plenum weight