18X20 ND | Rectangular Damper | 18X20 ND MOTORIZED DAMPER | EWC Controls
This damper is 18" by 20". The motor/lever is installed on the 20" side. Full dimensional specifications are in the datasheet below.
Overview Details for 18X20 ND
Rectangular Damper | 18X20 ND MOTORIZED DAMPER
The hand damper is used to restrict airflow through the by-pass trunk during by-pass operation. These were designed to meet ACCA Manual Zr specification performance ratings and California Title 24 requirements.
Specifications
| Item Number | 18X20 ND |
| Brand | EWC Controls |
| Motorized | Yes |
| Shape | Rectangular |
| Size (in) | 18 x 20 |
| Spring Return | Non-Spring Return |
| Type | Rectangular Dampers |

