Circulation pump makes noise like teakettle

Old 09-19-07, 02:13 AM
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Question Circulation pump makes noise like teakettle

We have a outside natural gas boiler with a circulation pump inside for our heat. Twice this morning and 4 times tonight it made this loud noise like a tea kettle whistling for about 60 sec. and then stopped and started up again in a couple of minutes. My husband turned off the circulation pump. Does this damage the system when it doesn't circulate --until we get a plumber out?
Old 09-19-07, 02:52 PM
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If it is a B&G circulator & has oil ports, give the port nearest the pipe a drink of motor oil. A tablespoon or two full is plenty.

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