Posted by Darrel on February 18, 2000 at 17:28:03:
In Reply to: Re: Banging pipes posted by Harold Kestenholz - Hydronic Network on February 17, 2000 at 16:03:44:
: 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.