Rooftop Model RDH has been added to the indoor, pre-engineered ventilation air handlers (PREEVA® Series). This equipment includes both power-vented and separated combustion indoor models from 75,000-to 400,000-Btuh gas heating capacity, and 565 to 7,500 cfm airflow. Model RDH has modular add-on cabinets for advanced direct expansion (DX) or chilled-water cooling, mixed air control, evaporative cooling, and high-performance filtering. The series utilizes the highly efficient TCORE2® combustion system as the "heat engine" for the units and has both analog and digital controls.

Thomas & Betts, Reznor HVAC Div., 8155 T&B Blvd., Mailcode #4C-25, Memphis, TN 38125; 800-695-1901; 901-252-1305 (fax);;

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