Air Control Damper uses Lon-based programmable controller.

Press Release Summary:

Aluminum airfoil blade damper, Model IAQ-42 utilizes Speciflow(TM) technology with integrated airflow monitoring and control. It features rated accuracy of 5% of reading for face velocities of 300-2,000 fpm. Damper helps buildings meet minimum outdoor air requirements for ASHRAE Standard 62 and California Title 24. Unit is IECC compliant with leakage rating of 3 cfm/ft² at 1 in. wg or less.

Original Press Release:

Greenheck Offers Air Measuring Control Damper

The IAQ-42 from Greenheck is an aluminum airfoil blade damper that utilizes patented Speciflow(TM) technology with integral airflow monitoring and control capability. This air measuring control damper has a rated accuracy of 5% of reading for face velocities of 300-2000 fpm (1.5-10 m/s), and utilizes a Lon-based programmable controller. The IAQ-42 helps buildings meet the minimum outdoor air requirements of ASHRAE Standard 62 and California Title 24 by providing accurate monitoring and control of outside air. The IAQ-42 enables a LEED-EB credit for Outdoor Air Delivering Monitoring and another LEED-EB credit for Increased Ventilation. Its is also International Energy Consumption Code (IECC) compliant with a leakage rating of 3 cfm/ft2 @ 1 in. wg (55 cmh/m2 @ 249 Pa) or less.

For more information about Greenheck products, visit or contact Greenheck, P.O. Box 410, Schofield, Wl 54476-0410, (715) 359-6171, FAX (715) 355-2399.

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