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Posted by HeatPro on November 08, 2007 at 09:49:15:
In Reply to: GAUGE posted by pete on November 08, 2007 at 05:47:29:
All in one gauge it says temp. boiler pressure, and feet H2O. What does that feet H2O mean? And it is lined up with lines on the boiler pressure readings like they both work together?
++ The gauge is sometimes named a tridicator because it indicates the three. Yes, height of water above the gauge crates a pressure according to the height, so you can set boiler pressure in the manner in the text and pictures here:
http://www.heatpro.us/purgeairtree/