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Even if that's the case, when fixing the issue, you should flush the water heater to make sure it's in the best shape possible after the repair. In fact, flushing your heater at least once every six months is a great way to ensure that it never actually starts to leak in the first place.
If you make sure to flush the water heater and expansion tank regularly, then you may never run into problems with sediment build-up. Follow these simple steps to learn how to flush and clean a water heater in order to extend the life of your appliance and maintain its heating efficiency.
Unless your operator’s manual suggests a different frequency, the water heater should be drained and flushed once a year. This yearly flushing is a good time to test the pressure relief valve and make sure the overflow drain is clear.
Open one or two hot water faucets in your home to prevent a vacuum from forming in the pipes. Open the drain valve and allow the water to flow out. Inspect the draining water for sediment. If it’s cloudy or contains visible particles, you’ll need to flush the tank.
What to Expect When You Flush a Water Heater. You’ll need to set aside at least 20 minutes to an hour to flush and drain your water heater. How long it takes to drain a water heater depends on its size. By the way: If you aren’t sure how big your tank is, a 50- to 60-gallon tank is typically big enough for two or three people. You’ll also ...
Ideally, you should turn your water heater off for a few hours before draining the tank. Turning the unit off beforehand allows the water to cool and reduces the risk of scalds. Always wear thick gloves and safety goggles to protect your skin while you drain the water heater.
Home. DIY Projects & Ideas. DIY Workshops. Homeowner 101 Systems. Water Heater Maintenance. Difficulty. Beginner. Duration. Under 2 hours. Water heaters make sure your hot water runs hot. A water heater works constantly all year long, so it's important to keep in it top shape.