How To Flush A Hot Water Tank Out

Then turn on a hot water faucet in one of your sinks or tubs to prevent a vacuum from forming in the lines.

How to flush a hot water tank out. Let the water flow until it runs clear. Turn it to off. If you miss this step you ll end up having water continually move into the tank and drain which could cost you a pretty penny on your water bill. Turn off the cold water supply to hot water heater.

To remove the rest open the cold water valve at the top of the tank in short bursts to blast it toward the drain. Flushing your hot water heater could be necessary as often as every few months depending on the mineral content of your local water supply. Without the cold water coming into your tank you can completely drain the tank of water. Let the water cool.

Most of the sediment will flush out through the full port valve. Leave them on during the entire flushing process. To flush a water heater tank you open the water heater tank valve and let water run until it flows clean. The cold water valve is usually near the top of your hot water heater.

Opening and closing it several times can help stir up lingering sediment. Turn on the hot water in a sink or tub. Next flush any remaining sediment from the tank by reopening the cold water supply valve. This will help prevent a vacuum from forming in the lines while you re draining the hot water tank.

A vacation setting might do the trick. Prior to draining the tank you need to figure out how to turn off your gas water heater. Remove the vacuum hose from the tpr port and flush the tank. Next rotate the water shut off valve on your heater clockwise to turn off the cold water supply.

Flush the water heater by opening the cold water tank shutoff valve flushing cold water into the water tank intermittently. Water will flow out at a rapid rate when you reopen the water supply. Before you begin a water heater flush. If water does not flow out of the water heater drain valve the valve may have become clogged with mineral or silt.