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Posted by HeatPro on February 07, 2006 at 23:26:13:
In Reply to: Re: wiring boiler/ergomax in my situation posted by Dave on February 07, 2006 at 20:32:21:
Short-cycling (turning pumps and/or burners on and off quickly
has a different meaning from
short-circuiting which is having the liquid go back up the supply pipe without going through the tank and boiler first. But that is what a zero-balance manifold is for.