Duct Collar & Damper
AssemblyRound outlet collar with a gravity backdraft damper that blocks reverse airflow when the fan is off. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Bill of materials for Duct Collar & Damper
3 top-level lines as of r137291| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Outlet Collar Ring | range-hood-collar-ring | 1× | 1 | · | part |
| 2 | Backdraft Damper | range-hood-backdraft-damper | 1× | 1 | · | part |
| 3 | Fastener Set | fastener-set | 1× | 1 | · | part |