Water heaters are essential appliances that provide hot water for various household activities. Whether it's taking a shower or doing laundry, a well-maintained water heater ensures you have a steady supply of hot water. However, neglecting the maintenance of your water heater can lead to reduced efficiency and even premature failure. In this article, we will provide you with essential water heater maintenance tips to ensure your water heater lasts as long as possible.

Understanding Your Water Heater

Before we dive into maintenance tips, let's first understand the different types of water heaters and how they work. There are two main types of water heaters: tankless and tank-based. Tankless water heaters heat water on demand, while tank-based water heaters store hot water in a tank until it's needed. Both tankless and tank-based water heaters work by heating water using a heating element. The heated water is then circulated through your home using pipes.

Water Heater Maintenance Tips

Maintenance Tips for Water Heaters

Now that we understand how water heaters work, let's discuss essential maintenance tips to ensure their longevity.

Check the pressure relief valve

The pressure relief valve is a safety feature that prevents the water heater from exploding due to excessive pressure buildup. To test the pressure relief valve, place a bucket under the valve and lift the lever. Water should flow out of the valve and into the bucket. If no water flows out, or the valve is damaged, it's time to replace it.

Check the anode rod

The anode rod is a sacrificial metal rod that attracts corrosive elements in the water to protect the tank from rusting. Over time, the anode rod deteriorates and needs to be replaced. Check the anode rod every two to three years and replace it if it's less than 6 inches long.

Drain the tank

Sediments can build up at the bottom of the tank, reducing its efficiency and lifespan. Drain the tank at least once a year to remove sediment buildup. To drain the tank, turn off the power supply, attach a hose to the drain valve, and open the valve to let the water flow out.

Inspect the tank and pipes

Check the tank and pipes for any signs of corrosion, leaks, or damage. Corrosion and leaks can cause serious damage to your home, and a damaged tank or pipe may need to be replaced.

Adjust the temperature

Setting your water heater to a temperature higher than 120°F can cause excess wear and tear and increase your energy bills. Keep the temperature at 120°F to ensure optimal efficiency and longevity.

water heater temperature

Insulate the tank and pipes

Insulating the tank and pipes can help reduce heat loss, improve efficiency, and extend the lifespan of your water heater. Wrap insulation around the tank and pipes to keep the water hot for longer.

Test the heating elements

If your water isn't heating up properly, there may be a problem with the heating elements. Test the heating elements using a multimeter and replace them if they're faulty.

Clean the burner (gas water heaters)

If you have a gas water heater, clean the burner every year to remove dirt and debris buildup. A dirty burner can reduce efficiency and increase the risk of carbon monoxide poisoning.

Schedule professional maintenance

While DIY maintenance is essential, it's also important to schedule professional maintenance every few years. A professional technician can inspect your water heater and identify any potential problems before they become serious.


A well-maintained water heater can provide hot water for your household needs for years to come. Regular maintenance, including checking the pressure relief valve, replacing the anode rod, draining the tank, inspecting the tank and pipes, adjusting the temperature, insulating the tank and pipes, testing the heating elements, cleaning the burner (for gas water heaters), and scheduling professional maintenance can all contribute to a longer lifespan and better performance of your water heater.


1. How often should I drain my water heater?

It's recommended to drain your water heater at least once a year to remove sediment buildup.

2. Can I replace the anode rod myself?

Yes, you can replace the anode rod yourself. However, it's important to follow the manufacturer's instructions and use the correct type of anode rod for your water heater.

3. What temperature should I set my water heater to?

To ensure optimal efficiency and longevity, set your water heater temperature to 120°F.

4. How often should I schedule professional maintenance for my water heater?

It's recommended to schedule professional maintenance every few years to identify any potential problems before they become serious.

5. What should I do if my water heater is leaking?

If your water heater is leaking, turn off the power supply and water supply to the unit and call a professional technician for immediate repair.

Looking for professional help? Contact us to schedule a maintenance appointment with our expert plumber in Glendale. We'll make sure your water heater is running at its best, so you can relax and enjoy the hot water you need.