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water softener | water softener noise | soft water noise

Does your Water Softener make Noise?

Is your water softener keeping you up at night? Does your child think there is a monster in the water closet? Water Softener noise can come from a water softener, including knocks and squeals. Some noises are completely normal while others may require a licensed technician to take a look and see if something is wrong.

What is a water softener?

In order to determine why the softener is making a noise, let’s first learn what it does. If you have hard water you know how valuable a water softener can be. This simple appliance essentially removes mineral deposits from water-bearing certain minerals, otherwise known as hard water. It consists of a pump, a filter and a tank that contains salt or resin pellets that are designed to attract negatively charged ions out of the water. After a while, the resin in the softener becomes saturated by calcium and other mineral particles. For the appliance to continue to diminish water hardness, the pellets must be rinsed clean. This requires the machine to regenerate or recharge the resin bed.

Is that Water Softener noise normal?

The water softener has several moving parts, such as a mechanical motor, that can make noises. Many people mistake the noise during the regeneration cycle for some sort of mechanical problem when, in fact, the softener is simply doing its job. That doesn’t mean, however, that the machine can’t make strange noises that might indicate an issue. Here are some things that could happen and create noise:

  • Build up of calcium or magnesium on the intake valves
  • Trying to use water while it’s regenerating can cause the softener to vibrate and knock loudly
  • Problem with the air check mechanism (the floating ball)
  • Timer motor can cause squealing when belts slip, grinding between gears, or knocking if something is loose
  • May not be the softener at all – could be your water heater or other appliance

Regeneration schedule

Often, the softener is set to regenerate at nighttime. If this water softener noice wakes you at night you can adjust the regeneration schedule to run during the day. This will help from waking you up at night. You may also want to change the timer so it doesn’t regenerate while you’re making dinner, taking a shower or using the bathroom.

What can I do?

Sometimes there may be so much mineral build up or salt separation the softener can’t run correctly. You can manually backwash it before manually regenerating it a few times. You should also use the best water softener salt and ensure that you add it as often as needed.

For a more in-depth look at what the issue may be, or to schedule a licensed technician to work on your water softener installation in Indianapolis, call Carter’s My Plumber at (317) 859-9999 today! Visit our article Water Softener Installation Cost to learn more information about pricing.

Carter's My Plumber
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Kelson Carter

Article reviewed by:

Kelson Carter, aka, The Prince of Plumbing

Kelson is a 3rd generation Plumbing Contractor. His family business is located in Greenwood, Indiana, and provides Residential Plumbing Service to the Indianapolis Metro market.

Kelson grew up watching his grandfather and father do plumbing. After graduating high school, Kelson went to Trade School and became a Licensed Master Plumber and Licensed Plumbing Contractor. He is also Certified in Backflow Prevention. He currently owns and operates Carter's My Plumber with his parents.


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