Air Distribution · Plenums

VAV discharge plenum

Plenum box assembly — Above ceiling

ConnectionVAV outlet to multiple branches
SupportIndependent support

How to install it

  1. 1

    Support box

  2. 2

    connect to VAV outlet

  3. 3

    seal

  4. 4

    install branch collars/dampers

  5. 5

    support each branch.

Quality check

  • VAV casing carries no branch weight, collars sealed

Stop and verify

Stop if plenum blocks reheat or controls