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Posted by HeatPro on March 20, 2008 at 13:49:48:
In Reply to: Re: Normal Boiler Pressure Range posted by Steve R. on March 13, 2008 at 20:22:59:
If the pressure never exceeds 24 psig, then you are safe, as the reseat pressure of the relief valve is about 25 psig after it is forced open at 30 psig.
The pressure rises to that much due to the acceptance volume of the new expansion tank. You have a lot of water in the system.
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