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Posted by Dave on February 07, 2006 at 20:32:21:
In Reply to: Re: wiring boiler/ergomax in my situation posted by HeatPro on February 07, 2006 at 09:21:30:
: From what you described as having the stubs on the boiler return in a zero-pressure manifold configuration, there is no back pressure.
+++Actually, I think what is happening is that the water from the individual zones is travelling down the return manifold and then being pumped up the supply manifold which is on the tee right next to it (when the boielr pump is not running), thus shortcycling (if that is the correct term).
I got my Heatmanager today and will be hooking it up tomorrow.
I also will send pictures tomorrow.