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How to Flush Your Hot Water Tank. Particles and sediment can build up inside of your hot
water tank, making it less efficient and shortening its life. But if you drain the tank periodically,
you can wash the sediment away. You will need Garden hose Drain and water pump (optional).
Step 1. Turn off the hot water tank and let it cool. Then turn off the cold water supply
to the tank. If you have an electric hot water tank, shut of the electricity to the tank.
Step 2. Connect a garden hose to the drain faucet near the bottom of the heater. It's
a standard faucet, so you will be able to simply screw the hose onto it. Step 3. Run
the other end of the hose to the floor drain if your heater is in your basement. If there
isn't a nearby floor drain, you can run the hose to a sink drain. Step 4. Open the drain
valve to empty the water in the tank through the hose and down the drain. You can also
use a water pump to force the water out. Step 5. Disconnect the cold water supply pipe that
fills the tank or open the pressure-relief valve to allow air into the tank so it can
drain. Step 6. Watch the water running through the hose. Drain the water until it runs clear.
If there is excessive sediment in the tank, you may have to refill and drain the tank
again. Step 7. Disconnect the hose and close the drain valve. Then reconnect the water
supply, turn on the water, and, if you turned off the electricity, turn it back on. With
regular maintenance, you can greatly extend the life of your hot water tank. Did you know
Outdoor water use in the United States averages about 32 gallons per person per day.