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Posted by HeatPro on November 24, 2009 at 09:42:15:
In Reply to: Re: circulator pump not running posted by wendell on November 10, 2009 at 10:39:03:
Most circulator relays start the burner and circulator at the same time. Not much use in firing the burner unless a circulator is running if you aren't maintaining a boiler temperature for a hot water internal coil.