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Posted by Vince Vespev on November 01, 2006 at 20:28:00:
NOSPAM
Does anyone know why Amtrol inter-changed the boiler-supply and boiler-return pipes from their older WH-7 to their newer ones? I installed a recent but used unit which has the pipe reversed so I had to re-locate the circulator from the LHS to the RHS. I ask, because now I am getting ER2 alarms which means that the water (180 deg) intended for the baseboards is running through the Boilermaker thereby overheating the water. Help greatly appreciated.