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Posted by James Curran on September 05, 2006 at 15:40:06:
I have two boilers in the basement. One boiler has three zones with a hot water storage tank attached attached. The other boiler has one zone with a hot water storage tank attached. The circulator with the three zones is very hot when I touch the motor. I have pushed the coupling around a couple of times and it doesn't appear to be binding. Should I be doing something?