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3 Tips to Make Your Water Heater Last Longer and Work More Efficiently

Many people purchase a conventional tank water heater and simply forget about it until it stops working and it’s time to replace it. However, with a few simple water heater maintenance steps, you can increase the lifespan of the unit while also making it work more efficiently. If you are having problems getting your hot water to last longer while taking a shower, follow these tips. Here are three maintenance steps to take:

  1. Flush the water heater tank once a year

    Almost all water heater manufacturers will recommend flushing the water heater tank annually. But draining alone does not flush the water heater!

    Check the manufacturer’s instructions for the correct procedure for draining your water heater. For example, this is the instructions for a Bradford White model water heater: How to Flush the Water Heater
    1. On a gas water heater, turn the gas valve to the off position. On an electric water heater, turn the electric off to the heater.
    2. Shut the cold water off to the water heater.
    3. Open a hot water faucet.
    4. Connect a hose to the drain valve on the heater and run to a drain.
    5. Open the drain valve and allow the tank to completely drain.
    6. Turn back on the cold water into the water heater.
    7. Allow the water to run through the water heater and out of the drain valve. Do this for approximately five (5) or ten (10) minutes.
    8. Close the drain valve and allow the tank to refill, keeping the hot water faucet open. When water comes out of the faucet, the tank is full.
  2. Check the Anode Rod and Replace it if it’s Badly Corroded
    The anode rod hangs in the tank to help prevent its inside from rusting out. It should be checked annually when the tank is drained. Replacing a badly corroded rod is far cheaper than replacing the water heater. Without a good anode rod, hot water will rapidly corrode the inside of the tank, shortening its life.
  3. Insulate the Hot Water Heater Tank. This is a step you only have to do once. Wrapping your water heater in a blanket of insulation can improve its efficiency by up to 40 percent. Over a year, that 40% can really add up to some good savings on your utility bills.


One Response

  1. I have my hot water heater flushed every year; I did not know about the anode rod. Good to know. I am buying an investment property that will be leased out. When I had it inspected recently the inspector found that the hot water natural gas heater was 24 years old and still working. I’m wondering just how was it taken care of to warrant that long life. Our water here in Kingman, AZ is very hard.

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