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Posted by Greg on December 08, 2007 at 19:56:28:
In Reply to: Re: 2 issues, possibly related... posted by HeatPro on December 08, 2007 at 17:34:52:
: Use a known good pressure gauge from the boiler drain valve to establish that the pressure gauge is reading correctly; it shouldn't drip at 15; but an actual 25 or so psig isn't that far away. The temperature gauge can also be wrong (as well as the 4081. A low limit differential of 15-20 degrees is probable, so that works.
: No use in buying controls until the right readings are available. aluminum powder grease packets are available through suppliers.