![Lennox 77W90 Damper Actuator specifications — New England Supply House [NESH-SPECTABLE-V1]](http://newenglandsupplyhouse.com/cdn/shop/files/nesh-77w90-specs.png?v=1794090751&width=1445)
This Lennox 77W90 is a genuine replacement damper actuator motor that opens and closes the outdoor air damper to regulate the intake of fresh air into the HVAC system.
Confirm this part number against your equipment's parts list before ordering.
Specifications
| Part Number | 77W90 |
|---|---|
| Brand | Lennox |
| Type | Damper Actuator |
| Application | Outdoor Air Damper |