The Multi-Zone Retro-Mate® curb offers a fast, cost-effective method of replacing multizone rooftop units. It is a self-contained unit with zone and bypass dampers designed to mount on top of the existing multizone curb and mate to the existing multizone ductwork and zones. The unit converts single-zone constant volume rooftop to a variable air volume multizone. It is constructed to promote high indoor air quality. It is insulated with material that prohibits harmful fungi or bacterial growth. The heavy-gauge galvanized steel curb is prefabricated at the factory.

Thybar Corp., 913 S. Kay Ave., Addison, IL 60101; 800-666-2872 or 630-543-5300; 630-543-5309 (fax);;

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