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Posted by HeatPro on September 24, 2011 at 06:48:22:
In Reply to: old radiator pipe removal posted by Emilio on September 23, 2011 at 13:08:34:
As it is a steam boiler, it should only have water up to about half the sight glass inside the boiler and none higher in the system. Leaving the power off with the boiler switch off, you can remove the pipe and cap it as you describe. If the gauge reads 3 psig without the boiler burner on, you should replace it so it reads zero.