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10 Reasons Why It’s Time to Flush Your Water Heater or Hot Water Tank


Plumbers in Brea/Orange County Plumbing Heating & Air Conditioning came to the conclusion. What your water heater or hot water tank is a workhorse in your home, providing you with hot water for bathing, cleaning, and various household tasks. However, like any appliance, it requires regular maintenance to ensure it operates efficiently and has a long lifespan. Flushing your water heater or hot water tank is one of the most important maintenance tasks that is often overlooked, and the benefits it brings to your home.

1. Removal of Sediment Buildup

Over time, sediment, minerals, and debris can accumulate at the bottom of your water heater tank. This buildup is a natural result of the heating process and the presence of minerals in the water supply. As sediment accumulates, it can insulate the heating element or burner, reducing its efficiency. Flushing the tank helps remove this sediment, allowing your water heater to work at its full potential.

2. Improved Energy Efficiency

A water heater with a clean tank operates more efficiently. When sediment and scale accumulate on the heating element or burner, it creates a barrier between the heat source and the water, making it harder for the water to reach the desired temperature. This can lead to higher energy consumption as the heater works harder to maintain the set temperature. Flushing the tank can improve energy efficiency and reduce heating costs.

3. Increased Hot Water Supply

As sediment builds up in the tank, it reduces the available space for hot water. This can result in a reduced hot water supply, especially during peak usage times. Flushing the tank allows your water heater to hold more hot water, ensuring an adequate supply for your household’s needs.

4. Prevention of Corrosion

Sediment buildup not only affects the efficiency of your water heater but can also lead to corrosion of the tank itself. When sediment settles at the bottom of the tank, it can trap water against the tank’s metal surface, promoting rust and corrosion. Flushing the tank removes this trapped water and helps extend the life of your water heater.

5. Prolonged Lifespan

Regular maintenance, including flushing the tank, can significantly extend the lifespan of your water heater. Sediment and scale buildup are common causes of premature water heater failure. By removing these accumulations, you reduce the stress on the tank and its components, ultimately increasing its longevity.

6. Enhanced Water Quality

Sediment in the tank can affect water quality. If you notice discolored or foul-smelling hot water, it may be due to sediment or bacterial growth in the tank. Flushing the tank can help improve water quality by removing these contaminants and ensuring cleaner, fresher hot water.

7. Reduced Risk of Leaks

Sediment and corrosion can weaken the tank’s integrity, increasing the risk of leaks. A leaking water heater can cause significant damage to your home and belongings. Regular tank flushing can help prevent leaks by reducing the factors that contribute to tank corrosion.

8. Better Temperature Control

A water heater with a clean tank allows for more precise temperature control. You won’t need to turn up the thermostat to compensate for reduced efficiency, resulting in a more consistent and comfortable hot water supply.

9. Compliance with Manufacturer Recommendations

Many water heater manufacturers recommend regular tank flushing as part of their maintenance guidelines. Following these recommendations can help preserve your warranty and ensure that you’re getting the most out of your water heater.

10. Peace of Mind

Knowing that your water heater is operating efficiently and reliably can provide peace of mind. You won’t have to worry about unexpected breakdowns or cold showers, and you can enjoy the benefits of a well-maintained hot water system.


Flushing your water heater or hot water tank is a simple yet essential maintenance task that can have a significant impact on the efficiency, longevity, and performance of your water heater. Regular flushing removes sediment buildup, improves energy efficiency, increases hot water supply, and prevents corrosion and leaks. By making flushing a part of your routine maintenance, you can enjoy the benefits of a well-functioning water heater while avoiding costly repairs and ensuring the continued comfort of your home, or call Brea/Orange County Plumbing Heating & Air Conditioning and we will help you with these problems.

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Brea, CA 92821 | (714) 919-3992