me too, the product is discontinued by nutone, and their website doesn't recognize model #. I was thinking of contacting the company to see if they could help: NuTone Inc. 9825 Kenwood Road Suite 301 Cincinnati, OH 45242 In U.S.A. call: 1-888-336-3948 for Customer Service 1-888-336-6151 for Technical Support For United States of America customers you can request additional information via information Request Form (online at: http://www.nutone.com/about-contact.asp)