The Model CAUA vertical gas-fired air-handler is available with staged heating from 75 to 400 MBtuh, to provide the right amount of heat at less than extreme design conditions. The air handler will handle up to 100 percent outside air and has multiple options for air mixing boxes, filter boxes, and discharge arrangements. According to the manufacturer, the system is designed to be a simple solution for applications that previously required “twinning” two smaller units together. Model CAUA can be coupled with the M Series condensing unit to provide staged cooling as well. The system uses R-410A refrigerant. It is ideal for churches, medical offices, retail shops, or storage facilities and optional separated combustion and outside supply air capabilities make it ideal for buildings where controlling IAQ is required, such as pet stores or restaurants, says the company.

Reznor/Thomas & Betts, 8155 T&B Blvd., Memphis, TN 38125; 800-695-1901; 901-252-1305 (fax);

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