Posted by jtown on December 31, 2000 at 17:13:05:
In Reply to: Adding a zone in basement posted by johnnym on December 31, 2000 at 12:12:02:
At the level you are at, you should check your library first, interlibrary loan if you're in the woods. There is a good book called HVAC Contracting by Dries, check Craftsman Book Co. I don't know if they are on-line. You can use 1 zone valve or pump per zone.