Posted by Harold Kestenholz - Hydronic Network on February 17, 2000 at 16:03:44:
In Reply to: Banging pipes posted by Darrel on February 17, 2000 at 07:28:29:
Try removing one of the springs on the Honeywell zone valve power head for that zone, it works sometimes. If not, change to another brand of zone valve.
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