The Avi-28 is a small controller designed to control the Avi-air heat-exchanger

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• Includes the exact same original Avi-air heat exchanger applications found on Genius and Maximus controllers.

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• Can run up to 4 Avi-air AC heat exchangers at once on triacs.

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• Can run up to 6 Avi-air ECI 0-10 volt heat exchangers.

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• Can accompany another master to controller that would drive the evacuation fan and the AVI28 drives the intake fan, defrost and washing.