Noisy Popping or Gurgling Sounds in Water Heater

Water heaters often make popping or gurgling sounds

Over a number of year’s sediment, scale, mineral and lime deposits gather on the bottom area of the water heater tank. When these deposits heat up, steam builds up in them and then the popping sound occurs. It is not dangerous but may be annoying at times.

Maintenance

Checking the temperature settings is advisable, for excessive temperature may also contribute to the popping sounds.

Draining the water heater may help reduce the popping sounds, for it helps to flush out some of the deposits that have gathered in the bottom area. Water heater manufactures recommend that this be done on a regular bases, for it helps extend the life of the water heater. They often recommend once a year. Another benefit is that the less deposits in the water heater, the more efficient the heating of the water; a cost savings on your water heating bill.

The water heater does not necessarily have to be replaced. Factors that affect this are the age of the water heater, how often it has been flushed, and how hard the water is in your area.

A second reason for the sounds

At times the sounds may be telling you that the water heater is getting old and nearing the age of needing replacement. Some buyers get a 1 year home warranty when they buy the house that will cover the water heater, should it go out in the first year of ownership. Another consideration is that the newer water heaters are more energy efficient and a cost savings may occur with replacement.

Home owners can do maintenance on their own water heater or replace it. Plumbers and qualified handymen can likewise easily work on or replace a water heater.

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David Jones - Consultant, General Contractor, Inspector

Professional consultant and writer on structural, electrical, plumbing, code and other building defects with over 40 years’ experience as a general contractor, inspector and instructor. Articles for every homeowner, buyer or agent who wants to know what’s major, what’s minor and what is just normal when it comes to your home. Read more