The Integrated Modular Controller version M1-7 unit controller, standard on Lennox' L Series® and S-Class™ rooftop units, offers sophisticated control for optimum unit performance and increased installation and maintenance efficiency, the company says. The control board features four heat and four cool capability and uses data from sensors to continuously monitor and adjust more than 110 rooftop unit functions.

Lennox Industries Inc., 2100 Lake Park Blvd., Richardson, TX 75080; 800-453-6669;

Publication date: 01/05/2004