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Posted by HeatPro on September 09, 2008 at 11:57:09:
In Reply to: very high pressure readings on No.1 ideal red flash boiler posted by Peter on September 08, 2008 at 12:57:49:
You buy them at local plumbing/heating suppliers who carry boilers and parts. It isn't high-tech challenge.
Read:
http://www.heatpro.us/purgeairtree/