TinnerFlow
Air Distribution · Concentric Boxes

Concentric box with multiple return collars

Concentric supply/return assembly — Large ceiling zone

ConnectionCenter supply + multiple returns
SupportMulti-point support

How to install it

  1. 1

    Support large box

  2. 2

    connect supply

  3. 3

    connect each return collar

  4. 4

    seal

  5. 5

    verify balanced return paths

  6. 6

    install face.

Quality check

  • Box level, all collars sealed, no starved side

Stop and verify

Stop if box deflects or chamber divider leaks