Square Duct Taps & Branching · Spin-in with damper
Install dampered spin-in
Square Duct Installation — Main to round branch
Task typeSpin-in with damper
Tools / equipmentSpin-in, damper hardware, drill
How to install it
- 1
Install spin-in
- 2
mount quadrant/shaft
- 3
verify blade operation
- 4
connect branch
- 5
keep handle accessible.
Quality check
- Blade turns fully
- handle visible
Stop and verify
Stop if insulation/ceiling will bury handle