![Siemens GRD221.1U Fire/Smoke Damper Actuator, 120V specifications — New England Supply House [NESH-SPECTABLE-V1]](http://newenglandsupplyhouse.com/cdn/shop/files/nesh-grd2211u-specs.png?v=1794067583&width=1445)
The Siemens GRD221.1U is a 120V two-position spring return actuator designed for fire and smoke damper applications. On loss of power, the spring return drives the damper to its fail-safe position to help contain fire and smoke within HVAC ductwork. This is a genuine Siemens replacement part.
Confirm the part number against your equipment's parts list before ordering.
Specifications
| Part Number | GRD221.1U |
|---|---|
| Brand | Siemens |
| Type | Fire/Smoke Damper Actuator |
| Voltage | 120V |
| Control | Two-Position |
| Spring Return | Yes |