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  1. Miguel Costa

    Grundfos vertical CR8 pump screaching noise on shutdown

    Good Afternoon! I have just came from an installation where there is a Grundfos water pump (CR8)that makes a loud screeching sound when it turns off. Amp draw is OK 5,8 Amps on all 3 phases, pressure increase is normal compared to 2 other exact pumps that are in parallel, voltage across the 3...

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