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Posted by John on January 09, 2004 at 10:08:50:
In Reply to: Re: Pressure remains too high posted by Harold hydronicnetwork.net on January 08, 2004 at 13:34:15:
I shut down the fresh water supply to the system. Then I let water out to get the pressure to 15 psi. However, the pressure keeps creeping back up to over 25 psi and the relief valve kicks in. What is going on ?
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