Hot Water Heater Maintenance Flush

To flush a water heater start by turning off the heater s power source using the breaker or thermostat.
Hot water heater maintenance flush. Remove the temperature pressure release valve and screw in the vacuum adapter. Next rotate the water shut off valve on your heater clockwise to turn off the cold water supply. To flush your hot water tank simply turn on the cold water spigot leading into your hot water tank. However the hardness of your water plays a part in this and you may find it better to flush two to three times per year if your home s water is especially poor quality.
Flushing your hot water heater could be necessary as often as every few months depending on the mineral content of your local water supply. This may take a bit. A sediment trap or softener can help with hard water to a point. Attach the shop vacuum hose and fire up the vacuum.
While the water might be running clear and isn t brown you may still have some sediment. Let it run for a few minutes until the water exiting your hose runs clear. Before you begin a water heater flush. As a general rule your tankless water heater should be flushed once per year to maintain efficiency.