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Posted by Harold hydronicnetwork.net on February 18, 2004 at 16:29:37:
In Reply to: Trianco HeatMaker II Noises posted by Brian Halliday on February 18, 2004 at 13:45:43:
Try the classic reasons given at:
A tank temperature set too high creates short cycling. It would also preload the diverter thermostat to have it partially open, making a type of organ reed. The diverter thermostat (car-type thermal opening) could also have something keeping it partially open when is should be closed all the way to start.
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