Hot Water Heater Maintenance Flush

While the water might be running clear and isn t brown you may still have some sediment.

Hot water heater maintenance flush.

Attach the shop vacuum hose and fire up the vacuum. Most homeowners should flush their water heaters every six months or so but if you have extremely hard water you may want to do it more often. This may take a bit. To flush a water heater start by turning off the heater s power source using the breaker or thermostat.

As a general rule your tankless water heater should be flushed once per year to maintain efficiency. Flushing your hot water heater could be necessary as often as every few months depending on the mineral content of your local water supply. Before you begin a water heater flush. To flush your hot water tank simply turn on the cold water spigot leading into your hot water tank.

Then turn on a hot water faucet in one of your sinks or tubs to prevent a vacuum from forming in the lines. 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. Next rotate the water shut off valve on your heater clockwise to turn off the cold water supply. Let it run for a few minutes until the water exiting your hose runs clear.