The most common problem of water heater is getting the sediment. If you let the sediment stay in, you will get the energy efficiency of the water heater decreased. You have to get rid of the sediment in order to protect the energy efficiency of the water heater. To get rid it of, you have to drain the water heater and flush it. How to drain a water heater is not a difficult task. You don’t need the help of professional, but you can just do it yourself.
Before draining your water heater, you have to shut off the heating element firstly. If it is an electric water heater, you need to turn off the breaker and the min water supply in your house, but if you have a gas heater, you can turn the thermostat to the pilot setting. After the heating element has been turned off, you can start the step of how to drain a water heater. First, connect a garden hose to the bottom drain valve on the water tank and run it to a drain. After that, take it back to the tank and open the drain valve. After getting the water flowed, you can check the color of the water from the tank. Don’t directly be worried about the dark color of the water since it is commonly happen at first. If you have drained a few gallons, the water will be clear. If the water has been clear, you can close the drain valve and turn off the hot water tap. After that, you can start to fill the tank by tuning on the cold water supply and the power of gas supply after the water finished filled to the tank.
Although how to drain a water heater is not too difficult, you have to think your safety. So, wear gloves and eye protection during the process.
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