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Posted by HeatPro on November 22, 2007 at 10:44:19:
In Reply to: Re: Laars/Endurance Relief Valve Leak posted by Jeff S on November 21, 2007 at 21:57:55:
: 1) The section says that the MANUFACTURER says to close it. Take your pick as to who to listen to.
: 2) In both cases, yours and John's below, a system gong over 25 psig is due to having an expansion tank smaller than necessary. As in this site:
http://www.heatpro.us/designtree
you can add another expansion tank or a larger one to the system to prevent it.
John below is disappointed because he demands answers that fit his preconceived notions.