If you want to keep your water heater running efficiently and extend its lifespan, regular maintenance is key. One of the most important tasks? Flushing your water heater. Over time, sediment builds up in the tank, leading to inefficiency, increased energy costs, and even potential damage to your unit. But how often should you flush your water heater? And can you do it yourself? This guide covers everything you need to know to keep your hot water flowing reliably.
Why You Should Flush Your Water Heater in the First Place
Your water heater plays an important role in the functionality of your home, but its maintenance can take a backburner in the face of more obvious obligations. Though it may seem like your water heater is something that is installed once and then can be ignored, it sometimes needs some TLC just like any part of your home. For instance, if left untended, tank water heaters are prone to sediment build up. Tankless water heaters can be clogged by mineral deposits. Whether you have either type of heater, for the sake of your own home and your peace of mind, take a moment to give it some love.
How Often Should You Flush Your Water Heater?
Generally, it’s recommended that you flush your water heater at least once per year, but that number can fluctuate for several reasons. If you live in an area with hard water, or you have a large household, you may need to flush your water heater every six months. Adversely, if you have a tankless water heater, you might not have to flush it for up to two years.
Signs that Your Water Heater Needs To Be Flushed
It’s all well and good to know that you need to keep an eye on your water heater, but what do you look for? Some water heater red flags include:
- Rumbling or banging noises Indicates sediment hardening at the bottom of the tank.
- Fluctuating water temperature Mineral buildup can block heating elements.
- Discolored or rusty water Sediment is affecting water quality.
- Longer heating times A sign of inefficiency due to buildup.
- Higher energy bills Your unit is working harder than necessary.
How to Flush Your Water Heater: Step-by-Step
If you’re comfortable handling basic home maintenance, you can flush your water heater yourself. Here’s how:
1) Turn Off Power and Water Supply
- For gas heaters: Turn the gas valve to pilot mode.
- For electric heaters: Turn off power at the circuit breaker.
- Close the cold water supply valve.
2) Attach a Hose to the Drain Valve
- Connect a garden hose to the drain valve at the bottom of the tank.
- Place the other end in a floor drain or outside where hot water can safely exit.
3) Drain the Tank
- Open the drain valve to let water flow out.
- To speed up the process, turn on a hot water faucet in your home.
4) Flush Out Sediment
- Turn the cold water supply valve back on briefly to stir up any remaining sediment.
- Allow water to drain until it runs clear.
5) Refill the Tank
- Close the drain valve and remove the hose.
- Turn the cold water supply back on and let the tank fill.
- Open a hot water faucet inside to release any trapped air.
6) Restore Power
- Turn the gas back on or switch on the breaker for electric models.
- Wait for the unit to heat the water.
Additional Maintenance Tips
Aside from flushing the tank, there are several other things you can do to keep your water heater in tip-top shape for years to come. To prevent corrosion, check your anode rod every 2-3 years. Test the pressure valve annually, and monitor the heating elements in electric models for wear and tear. If they’re not already insulated, insulating your pipes is a great way to significantly increase your energy efficiency.
Closing Thoughts
Regular maintenance, like flushing your water heater, is crucial to keeping your system running efficiently and extending its lifespan. By taking proactive steps you can prevent costly repairs and ensure a steady supply of hot water. Whether you choose to flush your water heater yourself or hire a professional, staying on top of this essential task will help you avoid inconvenient breakdowns and higher energy bills.
Why Choose Black Lake Plumbing?
As a locally owned and operated company in Western Washington, we take pride in offering reliable service, journeyman-quality craftsmanship, and deep community roots. Our team is committed to getting the job done right the first time, ensuring your water heater remains in top condition. Whether you need routine flushing, repairs, or a new installation, you can count on us to provide honest, friendly service.
