iO HVAC Controls HD Series Round Heavy-Duty Damper
iO HVAC Controls HD Series Round Heavy-Duty Damper
Model: HD-04
Couldn't load pickup availability
iO HVAC Controls HD Series Round Heavy-Duty Damper
iO HVAC Controls HD Series Round Heavy-Duty Zone Dampers are built for high-static-pressure duct systems and demanding commercial and residential applications. Each damper features a galvanized steel housing, single-blade construction, and a 24-volt spring-return actuator shipped ready for installation.
- Rated for duct systems up to 2.0" WC
- 24V spring-return actuator (power-open / spring-close)
- Galvanized steel housing resists corrosion
- Two-wire control from any standard zoning panel
- Available in 4" through 22" round diameters
- Can be installed in any orientation
Pair with any iO HVAC Controls ESP, ZP, or Saturn series zone panel for a complete multi-zone comfort system.
| Total Shipping Weight (lbs.) | 2.5 lbs |
| Height (Inches) | 13" |
| Width (Inches) | 9" |
| Depth (Inches) | 9" |
| Width (Inches) | 9" |
| Depth (Inches) | 9" |

