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circulator pump is failing

1557 Views 3 Replies 3 Participants Last post by  how
Hi. I have a 900,000 BTU American Standard Boiler from 1939 that had its circulator pump replaced about 5 years ago. The original pump was a Taco 110-24 and the new pump is a taco 007-F5. The new pump is now failing and it has blown its primary overload protector 10 times. Why is this happening? Also the Triple Aquastat Relay made by Minneapolis Honeywell is now clicking like mad.
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Do you mean the thermostat temp? That is 68 degrees fahrenheit. I cannot see the front of the aquastat due to it facing the wall, 1 foot away from it.
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