Servicing Tip #one - Preparing the water heater. Turn off the power if its An electrical h2o heater. Convert from the water into the drinking water heater by closing the valve about the chilly water line. Its Situated along with the water heater. The chilly line is often to the proper. Open a scorching drinking water faucet inside the home. Air stress will arrive out from the faucet. Open the drain valve Found at The underside in the drinking water heater. It appears like a hose bibb. Let a…