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Greenheck’s EM-30 backdraft damper series is now AMCA Licensed for Air Leakage and Air Performance. Designed to open by air pressure differential and close by gravity, backdraft dampers can be used as exhaust or intake dampers. The EM-30 is a vertical-mount horizontal airflow backdraft damper for pressures up to 10 in. wg and velocities up to 3500 fpm. Greenheck EM-30 series backdraft dampers comply with the energy code requirements in ASHRAE Standard 90.1 and the International Energy Conservation Code (IECC).
Greenheck, the worldwide leader in manufacturing and distributing air movement, conditioning and control equipment, offers the most UL certified dampers and the largest selection of AMCA licensed dampers in the industry.
