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Posted by HeatPro on November 10, 2007 at 14:48:26:
In Reply to: balance posted by pete on November 10, 2007 at 14:33:04:
You set the pressure in the bladder to the pressure required to keep water to the top of the heating system. That is in the reference I've written several times in previous posts, that for some reason you don't want to read.
Here it is again:
http://www.heatpro.us/purgeairtree
Look under:
Minimum Cold Fill