iO HVAC Controls HD-1818 18 Inch X 18 Inch 2-wire, Two-Position Rectangular Motorized Zone Damper, replacement for Honeywell ZD18X18TZ, EWC ND-RSD1818, Aprilaire 6771, Zone First ZDS-1818

SKU / MPN:
HD-1818
SKU / MPN: HD-1818

$259.57

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Product Information

iO HVAC Controls HD-1818
18 Inch X 18 Inch 2-wire, Two-Position Rectangular Motorized Zone Damper Features: 
- 18 inch X 18 inch rectangular. 
- 5 year warranty.

DIMENSIONS:
-Damper models HD-XXXX are sized width (A) by height (B) with actuator on the (B) dimension.
- Bottom mount models HD-XXXX-BM are sized width (A) by height (B) with actuator on the (A) dimension.
- Actual (A) and (B) dimensions are undercut 1/4”.
- Standard sizes range from 8” x 8” up to 36” x 24” in 2” increments.

APPLICATION:
- Compatible for zone control and other HVAC applications with static pressures less than 1.0” w.c.

CONSTRUCTION:
- 1/16” extruded aluminum frame
- 1/16” extruded aluminum parallel blades
- 1/16” aluminum mounting flange
- Nylon bushings
- Minimum position adjustment

ELECTRICAL:
- 24 Volt, 10 VA, 0.43 Amp powered closed, spring return open actuator
- Also available in powered open, spring return closed
- Motor is impedance protected with no end switches

HD Series The HD Series dampers are extruded aluminum parallel blade dampers complete with a 24 volt spring return actuator. The HD Series dampers can be installed in any position and are compatible with most 24V zoning and ventilation controls. They are rated for duct systems less than 1.0” WC. These dampers have a simple adjustment for limited position. They are a highly universal option for both zoning an ventilation applications.

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Safety Information

PROPOSITION 65 WARNING
By purchasing this item, you are agreeing to have this product installed by a trained technician. The installer or servicer assumes all responsibility for injury or property damage that may result. Refer to your local jurisdiction for installer licencing requirements.

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