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  • Writer's pictureParadise Plumbing

Why Is Your Water Heater Making Strange Noises?



If your water heater is making strange noises, it could be an indication of an underlying issue. Here are some possible reasons why your water heater is making noises:

  1. Sediment buildup & scaling: We have very hard water in San Diego County with high mineral content, which can lead to scaling inside the water heater tank and on the heating elements. Scaling can cause banging or popping noises as the water heats up and steam bubbles escape through the mineral buildup. Regular maintenance and descaling can help address this problem.

  2. Expansion and contraction: As the water heater heats and cools, the metal tank expands and contracts. This thermal expansion can result in popping or ticking sounds as the tank adjusts to the temperature changes. This is a normal occurrence and typically not a cause for concern.

  3. Loose or faulty components: Vibrating or rattling noises can occur if certain components inside the water heater become loose or damaged. Check for loose fittings, valves, or pipes that may need to be tightened. If the noises persist, call us to inspect and repair any faulty components.

  4. Excessive pressure: If the water pressure in your home is too high, it can put additional strain on the water heater, causing it to make noise. Consider installing a pressure regulator to control the water pressure and prevent potential damage to the water heater and other plumbing fixtures.

If you're unsure about the cause of the noises or if the sounds are accompanied by other concerning symptoms, contact Paradise Plumbing for a professional assessment of the situation, to diagnose any problems, and provide appropriate solutions to ensure the efficient and safe operation of your water heater.


Call Paradise Plumbing to address your water heater concerns at 760-390-3421

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