Posted by Gburns on August 10, 2000 at 13:25:32:
In Reply to: Re: Short Term Overheating Failures posted by Harold Kestenholz - Hydronic Network on July 28, 2000 at 13:16:26:
: If there is no evidence of tube wastage and the failures are indeed the result of short term overheat I would look to your feedwater treatment. The odds are the evidence in the tube was lost when the tube blew.