Re Cleaning my Rinnai RLSi Tankless Water Heater Pictures After Vinegar After note how cloudy the vinegar looks. Bucket After note how you can not see the hoses near as well..General Water Heater Information may result in damage to components or water periodi.y* drain and flush the water heater tank..Learn how to properly flush your water heater to improve efficiency and extend the life of your heater.The Nasty Reason You Should Be Flushing Your Water Heater The layer of sediment on the bottom of your water heater can result Flush out your water heater .
Have you flushed your water heater lately? This important cshould be done at least once a year. We ll show you how to drain a water heater..Need to drain and flush your water heater? Follow these easy DIY tips to remove sediment buildup and help your water heater last longer and avoid repairs..Visit to buy manufacturer authorized parts for Rheem, Ruud, Richmond, Marathon .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. Shut the cold water off to the water heater. Open a water faucet. Connect a hose to the drain valve on the heater and run to a drain. Open the drain valve and allow the tank to completely drain..