TinnerFlow
Air Distribution · Concentric Boxes

Round concentric supply/return box

Concentric supply/return assembly — Ceiling

ConnectionInner supply / outer return
SupportIndependent support

How to install it

  1. 1

    Set box centered

  2. 2

    support

  3. 3

    connect supply and return separately

  4. 4

    seal both air paths

  5. 5

    install face

  6. 6

    verify no cross-leakage.

Quality check

  • Air paths isolated, face centered, box level

Stop and verify

Stop if supply/return connections are reversed