Posted by Harold Kestenholz - Hydronic Network on November 02, 2001 at 22:01:36:
In Reply to: adding another zone to existing system posted by norm fonteneau on November 02, 2001 at 11:49:40:
If you know that the boiler is adequate to handle the addition; add a zone using a zone valve. It is most likely the circulator will handle the new zone. If it does not, you would have to repipe and add a circulator to use your optional plan; you could repipe from the supply manifold in preparation of the need for the option later by piping two of the four zones from a removable nipple section to install a circulator off the main.