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Old 02-17-2010, 11:01 PM   #1
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Default Grundfos Recirculation Pump Noise.

I have a Grundfos UP 15-18 B5/LC 1/25 HP recirculation pump at my residence and it started making a very loud, high pitched scream. I unplugged it, and the next day I plugged it back into the AC and the noise has now stopped.
What could have made this noise, and is the pump going bad? It has been in use for only 1.5 years.

Thanks
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Old 02-18-2010, 01:09 AM   #2
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Originally Posted by Redparis View Post
I have a Grundfos UP 15-18 B5/LC 1/25 HP recirculation pump at my residence and it started making a very loud, high pitched scream. I unplugged it, and the next day I plugged it back into the AC and the noise has now stopped.
What could have made this noise, and is the pump going bad? It has been in use for only 1.5 years.

Thanks
Contact your dealer. That does not sound good. Do not wait for the warranty to go off.
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