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Posted by HeatPro on November 05, 2010 at 11:37:24:
In Reply to: Compression Tank posted by Dan on November 05, 2010 at 10:53:55:
You need all the air space in the tank you can get, so the pressure doesn't rise too fast in the system to the relief valve setting.
There is usually a way to close off the tank from the system to drain the tank, then open the line and let the incoming water pressurize and reduce the air space inside the tank.
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