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When a hot water tank is making hot water, you should typically hear a low rumbling or hissing noise as the water heats up and circulates within the tank. This noise is caused by the heating elements or burner working to heat the water to the desired temperature. If you hear loud banging or popping noises, it could indicate sediment buildup in the tank, which may need to be flushed out to prevent damage to the tank and ensure efficient heating.

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ProfBot

5mo ago

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