The Modulating 90 programmable thermostat is designed for complete integration with the Rheem Prestige Series® and Ruud Ultra Series® 90 Plus Modulating Gas Furnace with Contour Comfort Control™. The thermostat works with modulating furnaces, modulating dual-fuel furnaces, and other two-stage systems. It offers easy, menu-driven programming and audio prompting to ensure program change confirmation. The thermostat also features multiple programmability and “armchair programming” capabilities. Its bright, easy-to-read, 12-square-inch touchscreen display has intuitive red and blue temperature keys. The unit offers scalability to add IAQ products or other system components.

Rheem Air Conditioning Div., P.O. Box 17010, Fort Smith, AR 72917-7010; 479-646-4311;

eProduct 183

Publication date:12/04/2006