News & Blog

Benefits of a Water Heater Flush

Water heaters play a crucial role in our daily lives, providing us with warm water for bathing, cleaning, and various household activities. Yet, many homeowners overlook the importance of regular maintenance for their water heaters, particularly the process of flushing. A water heater flush involves draining and cleaning the tank to remove sediment and mineral buildup. In this blog post, we will explore the numerous benefits of a water heater flush and highlight why this simple maintenance task is essential for ensuring optimal performance, efficiency, and longevity of your water heating system.

water heater flush in Mesa, AZ

Improved Efficiency and Energy Savings

Over time, sediment and mineral deposits naturally accumulate at the bottom of your water heater tank. This buildup can significantly hinder the efficiency of your system, as it acts as an insulating layer, preventing the transfer of heat from the burner or heating element to the water. As a result, your water heater works harder and consumes more energy to achieve the desired water temperature. By flushing the tank and removing these deposits, you can restore the efficiency of your water heater, allowing it to heat water more effectively and reducing energy consumption. This, in turn, leads to cost savings on your utility bills.

Extended Lifespan of Your Water Heater

Regular maintenance, including flushing your water heater, can significantly extend its lifespan. Sediment and mineral deposits not only reduce efficiency but also contribute to corrosion and damage to the tank’s interior. The accumulation of these substances can lead to increased wear and tear on the heating elements or burner, potentially resulting in premature failure. By performing a water heater flush at least once a year, you can help remove these damaging deposits, reducing the risk of corrosion and prolonging the life of your water heater.

Enhanced Water Quality

Sediment and mineral buildup not only affect the efficiency and longevity of your water heater but can also impact the quality of the water it produces. When sediment gets trapped in the tank, it can break loose and find its way into your hot water supply. This can lead to cloudy or discolored water, a foul odor, or even a metallic taste. Flushing your water heater helps eliminate these contaminants, ensuring cleaner, clearer, and better-tasting water for your daily needs.

Prevention of Potential Issues

Neglecting regular maintenance, such as water heater flushing, can give rise to various issues that could disrupt your daily routines and prove costly to repair. Sediment buildup can lead to clogged pipes, reduced water pressure, and even leaks. Additionally, excessive sediment can cause the pressure relief valve to malfunction, posing a potential safety hazard. By proactively flushing your water heater, you can prevent these issues and avoid the inconvenience and expense of unexpected repairs or replacements.

Peace of Mind and Safety

A properly maintained water heater offers peace of mind and ensures the safety of your household. Flushing the tank reduces the risk of malfunctions, leaks, and potential disasters such as tank ruptures or fires. By taking the time to perform a water heater flush, you are prioritizing the safety and well-being of your family while enjoying consistent hot water without unexpected interruptions.

Water Heater Flush Process

Getting a water heater flush typically involves a straightforward process that can be done by following these steps:

As Mesa’s leading plumbing company, Hansen Family Plumbing & Air understands the importance of regular maintenance for water heaters. One crucial task that homeowners should prioritize is a water heater flush. This process involves draining and cleaning the tank to eliminate sediment and mineral buildup.  Listed below is the step-by-step process of performing a water heater flush from a plumber’s perspective, ensuring optimal performance, efficiency, and longevity of our clients’ water heating systems.

Safety First:

We take safety very seriously. Our plumbing technicians always have the necessary personal protective equipment (PPE) such as gloves and eye protection. If working on an electric water heater, we will switch off the circuit breaker dedicated to the water heater. For gas water heaters, we turn the gas control knob to the “off” position.

Allow Sufficient Cooling Time:

It is advised that the water heater cool down for several hours before initiating the flush.

Locate the Drain Valve:

Next we will locate the drain valve near the bottom of the water heater tank.

Prepare for Drainage:

Next we will place a bucket or attach a hose to the drain valve to collect the discharged water during the flush.

Open the Drain Valve:

Once we have prepared for the drain itself, we will open the drain valve by turning it counterclockwise or using a wrench for threaded connections. This initiates the drainage process.

Flush the Tank:

It is important that we allow the entire tank to drain. This will effectively remove sediment and mineral deposits, cleansing the tank interior. Next we will open the pressure relief valve to aid drainage and prevent vacuum formation.

Close the Drain Valve:

Once the tank is fully drained, we will close the drain valve by turning it clockwise or tightening threaded connections securely.

Refill the Tank:

Next we will turn on the cold water supply to begin refilling the tank keeping the pressure relief valve open until a steady flow of water emerges, indicating a full tank. Then close the pressure relief valve afterward.

Restore Power:

For electric water heaters, we will turn the corresponding circuit breaker back on to restore power. If working with gas water heaters, we will relight the pilot light according to the manufacturer’s guidelines.

Check for Leaks:

After refilling, we will inspect the drain valve and any connections that were loosened during the flush.

Regular Water Heater Flushes Extend the Life of your System

Regularly flushing your water heater is a simple yet essential maintenance task that yields numerous benefits. From improved efficiency and energy savings to extended lifespan, enhanced water quality, prevention of potential issues, and increased safety, the advantages are significant. By incorporating a water heater flush into your annual maintenance routine, you can optimize the performance of your system, reduce energy consumption, and ensure a reliable supply of clean, hot water for years to come. Don’t overlook the importance of this straightforward maintenance step—it’s an investment that pays off in the long run.

If you are located in Mesa, AZ or the surrounding region, Hansen Family Plumbing & Air is the team to call for water heater flushes.



When it comes to your AC unit, ensuring optimal performance is crucial here in Mesa, AZ and the surrounding regions. At Hansen Family, we understand […]

Garbage disposals are a convenient kitchen appliance that makes cleanup a breeze. However, they can run into problems that need attention. In this post, we’ll […]

Living in Greater Phoenix comes with its unique set of challenges, especially when it comes to maintaining your home’s plumbing and HVAC systems. The desert […]

Contact Us Today

Please enable JavaScript in your browser to complete this form.

Are you in need of plumbing or A/C services? Find budget-friendly, reliable home services with Hansen Family.