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Posted by HeatPro on November 07, 2007 at 21:05:23:
In Reply to: Re: Aquastat Issue-Help posted by Charlie on November 07, 2007 at 20:24:48:
these are caused by bad aquastat?
++ No. The converse as stated in my above answer. A thermostat can not read water temperature when it is an air bubble due to inadequate air purging.
http://www.heatpro.us/purgeairtree/