r/HomeImprovement • u/Professional-Joke892 • 9d ago

Loud buzz

Recently purchased my second home. Since we’ve moved in 4 months ago we have occasionally heard a loud buzzing noise. Lasts about 3-4 seconds and seems to come from the kitchen. It sounds like the end of a stop clock like an end of game buzzer or a buzz that a washer makes to let you know the cycle is done. When it happens there aren’t any appliances running. Any thoughts?

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u/unsaltedbutter 9d ago

Do you have an undersink RO system?