Originally Posted By: Restez
This post was automatically imported from our archived forum.
These I believe are return vents or they were because this picture
shows the furnace witha vent on the rht side [ should this hook to
something ] and up top on lftside [should this be a extension to furnace.
tell me what you think
[ Image: http://www.nachi.org/bbsystem/usrimages/more/100_0426.JPG ]