Posted by Harold Kestenholz - Hydronic Network on March 26, 2001 at 18:34:41:
In Reply to: Heat will not cut off posted by Sandra Bishop on March 24, 2001 at 09:07:04:
You can see pictures of the parts of hot water heating systems at http://www.hydronic.net
When you can name the parts of the system, then you can describe whether the system is a single-zone or multi-zone system and whether a circulator or zone valves are remaining running to send heat to the second floor.