On 17 Nov 2004 07:24:06 GMT, (Chemqueries) wrote:

Thanks to all for your replies. As "Red Neckerson" suggested, I think those two
vents are return vents.

Mystery solved. Big bonus points for Red Neckerson. Good call.

Gary R. Lloyd CMS
HVACR Troubleshooting Books/Software
http://www.techmethod.com