How To Drain Water Heater

If you own a water heater, it is important to know how to drain water heater to ensure that it runs efficiently and lasts a long time. Draining your water heater is a simple task that you can do on your own. Here’s how to do it.

Why Should You Drain Your Water Heater?

Over time, minerals and sediment build up in your water heater. Draining the water heater helps remove these deposits, which can cause your heater to work harder and less efficiently. Draining your water heater also helps prevent leaks and prolongs the life of your unit.

What You Will Need

Before you begin, gather the following materials:

  • A garden hose
  • A bucket
  • A screwdriver

How to Drain Water Heater

Follow these steps to drain your water heater:

  1. Turn off the power or gas supply to your water heater.
  2. Locate the drain valve at the bottom of your water heater.
  3. Attach one end of the garden hose to the drain valve and place the other end in a nearby drain or outside.
  4. Open the drain valve and let the water flow out of the tank. Be careful as the water may be hot.
  5. Once the tank is empty, turn the cold water supply back on to flush out any remaining sediment.
  6. Close the drain valve and remove the hose.
  7. Turn the power or gas supply back on to your water heater.

How Often Should You Drain Your Water Heater?

It is recommended that you drain your water heater at least once a year. However, if you live in an area with hard water or have a larger household, you may need to drain it more frequently.


Q: How long does it take to drain a water heater?

A: It typically takes about 30 minutes to drain a water heater.

Q: Can I drain my water heater if it’s still hot?

A: No, it’s important to let the water cool down before draining the tank to prevent burns.

Q: What should I do if I notice a leak after draining my water heater?

A: If you notice a leak, turn off the water supply to your water heater and contact a professional plumber.


Draining your water heater is a simple task that can help keep your water heater running efficiently and prolong its lifespan. With the right tools and a little bit of time, you can easily drain your water heater and prevent any potential problems down the line. Remember to do this at least once a year to keep your water heater in top condition.