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Posted by Pearson on January 12, 2009 at 03:11:26:
In Reply to: Re: New boiler, high pressure, ~1gal/day used. posted by HeatPro on January 11, 2009 at 18:40:32:
:: As the air release valves on the radiators of the one-pipe system get crushed at over 4 psig - go to the plumbing supplier and buy all new ones to replace all your damaged valves.
wow... that's good to know.
I let the system cool to 0 psi, then reset the pressuretrol. Seems that the pressuretrol settings did not have the effect I expected.
http://hornet.crazybug.com/stuff/boiler/boiler_7.5psi.jpg
With the pressure gauge at 5psi, i opened the relief valve on the boiler. almost nothing came out, just the smallest amount of steam. Is that normal for 5psi?