How To Flush Hot Water Heater. Change it to pilot mode so that the water in the water heater starts cooling and doesnt continue to get hot. Advertisement Video of the Day Step 1 Turn off the electrical supply and gas supply to the hot water heater.
Shut off the gas or electricity to the water heater and open a hot water faucet and let it run full blast for about 10 minutes to reduce the water temperature in the tank. Steps to flush a water heater. Now you can return your water heater.
Prior to draining the tank you need to figure out how to turn off your gas water heater.
Allow the water to drain until it goes clear. Ensure that you flush the tank of your water heater every one to three years depending on the water. Open the hot water side of your kitchen faucet or the hot side of any faucet close to your water heater. Opening a hot water faucet will help the water heater drain faster.
