Draining the water heater tank. Though water heater manufacturers may provide specific instructions on how often a water heater should be drained, the rule of thumb is to drain your water heater on an annual basis.
See the article on 'replacing a water heater drain valve' for instructions on how to do this.
How to drain a water heater. Now you can refill your water heater fully. If you are doing a complete drain and are using a hose, let the tank drain until empty. A temperature and pressure relief valve located near the top of the tank, and a drain valve located near the bottom of the unit.
Always go through your manufacturer’s directions before draining a water heater on your own. Learn how to drain your tank fast and help improve the recovery time and efficiency of your water heater. The first step on how to drain an electric water heater is to turn off the power button of the heater.
This is not optional because you can burn up your hot water heater if you don’t shut it off. This alleviates pressure in the system, allowing the water to drain quickly from the tank, much like removing your finger from the top of a drinking straw filled with liquid. However, you must not let the tank drain more than 3/4 empty.
Water heaters have two outlet valves: Turn off the water going into the hot water heater. Next, turn off the water source that supplies the heater with water.
With a base of 24 square inches, top measuring 25.25 square inches, and a depth of four inches, this pan can hold a large volume of water in the event of a sudden leak. Open a hot water tap nearest to the water heater, preferably on the floor above. When using a bucket for a full flush, you should use rubber gloves to avoid getting scalded.
To do this, remove one end of the hot water pipe above the water heater and pull it to the side just a bit. This will allow air into the tank, and the water will begin to gush out of the drain. Otherwise, it will continue to be replaced as it drains.
Flush the tank with water. Turn off the power to the hot water heater. They may recommend a hot water heater replacement.
If the tank sits below grade (say, in the basement), you’ll likely need at least two. Turn the water supply back on to flush out any remaining sediment. If you're having trouble with this step, consider contacting a professional.
On suburban brand water heaters, the plug is also an anodized rod. If this sediment is not removed it can slow the efficiency of the water heater, force it to work harder, and can clog the drain. Lack of proper maintenance may have adverse effects on the lifespan of even the most valuable water heater.
Generally, the purpose of draining your water heater is to clear out the hard water and sediment that may have built up over it’s use. The manufacturers of most water heaters advise that you drain your water heater at least once in a year. Allow the water in the tank to drain out.
Run a garden hose from the water heater drain to the exterior of your home. Pop open the drain and pressure relief valves to allow the water to drain out completely. Remove the drain plug or rod.
The reason for draining a water heater is to remove additional sediment.this sediment accumulates as the water is being used in a variety of ways. This usually involves manually turning the valve 90 degrees. Camco 20922 water heater drain pan camco’s 20922 drain pan is a good option for both gas and electric water heaters.
Usually this plug is plastic. Refill the tank and turn it back on. Water heater drain valves can get clogged with mineral deposits, or they can simply wear out.
Follow these simple steps for how to drain your water heater. Once the tank has drained, open the cold water supply valve for a few minutes to flush out any sediment. Allow the tank to drain completely, flushing out flakes of mineral deposits along with the cooled water.
The drain valve is the one you’ll open to flush out the tank. Open a hot water tap close. This is easier to gauge if you use a bucket to measure the amount of water you drain.
When to drain your water heater. Water will start to run out. Close the cold water supply valve to the water heater.
Fortunately, draining a water heater is super easy to do. Proper water heater maintenance is necessary for keeping your water heater functioning correctly for a long time. You may have to drain your water heater more times than the manufacturers’ recommendation.
Water heater drain valves do not get used very often, so you may need to use a pair of pliers. A clogged drain valve can impede the flow of water within the water heater and won’t drain. Before you attempt this, be sure to unplug the water heater’s power cord, or shut.
Flushing and draining your hot water heater is basic maintenance that's easy to do. To do this, you have to disable the circuit breaker or fuse that powers the system. Start by turning off the power or gas and then connect a garden hose to the drain valve.
Open the pressure valve on the top of the water heater. A damaged or worn out valve, on the other hand, can cause your water heater to leak. Turn on the hot water from a nearby faucet inside the house to prevent a vacuum from forming in the lines and flow air into the water heater, allowing it to drain easier.
When the water starts running clear, you can move on to the next step of how to drain a water heater. Use an adjustable wrench to loosen the drain plug at the bottom of the water heater. If you damage the valve, now would be a good time to replace it.
If you have a gas hot water heater, you may be able to do this procedure with the gas on, but turned to the lowest setting. However, the number of times you should empty your water heater in a year depends on the nature of the water supply from your municipal water lines. Close the drain valve and pressure relief valve.
Turn on the hot water. Test your hot water tank. Some drain valves are made of plastic, so be careful when you attempt to open it.
Your water should heat again in several minutes. Open the drain valve at the bottom of the hot water heater tank.