2011年12月18日星期日
Checking Your Hot Water Heating Element
If you discover that your domestic water heater is not putting out hot water like it once did; for example, if a hot shower turns cold after five minutes, than possibly you've got a bad heating element. The cause could be hard water, Minerals in hard water; for air angry bird example calcium and magnesium ions, create chemical changes, which weaken the efficiency of the water heating element. The good news is you don't have to install a new heater; you can simply replace the heating element.Putting in a new heating element is an easy job for people who are familiar with plumbing and water heaters. However, if you are not experienced in this type of repair, there are certain complications to watch out for and I will go over them in this article. The first step a plumber or DYI wants to make sure and do is to shut off the electrical supply to the water heater. The electrical flow must be turned off at the breaker box. If the breaker is not labeled, youmust to turn them off one by one and then check if the current is off in the system. Checking for live current inside the heater is a examination that must be done cautiously. Lifting off the cover over the heating elements must be done very cautiouslylcarefully. If there are live circuits within you want to be extra cautious you don't touch them. An electrical meter comes in handy to test if there is electricity flowing through. At times the rc flying fish upper heating element turns off when the water is sufficiently warmed, so you might want to the upper two leads of the upper thermostat. Even {when|if| power is flowing through the lower thermostat, the upper leads should still work. Once you have demonstrated to your satisfaction that the power is not flowing into the heater you want to determine the resistance of the heating elements. This isn't as simple as it might seem. You first need to detach one of the leads to be certain you are measuring the resistance accurately. The resistance can be measured using the screw that holds the heating element in place as a ground.After you have ascertained that one or both heating elementsmust be replaced, you are required to drain the water. While experienced plumbers have ways to change the heating element without completely draining the tank. An a DYI repairman using this technique might cause a lot of flooding in the house, and so is encouraged not to use it.It is of utmost importance to keep in mind not to drain your tank when the electricity is on. The heating elements are designed to work with water not air. When they are exposed to air, they will let out a popping sound, which sounds like a gun and is terrifying. The next important fact to keep in mind, when changing the heating element, is to make certain to put a rubber gasket around the element. If you forget to put the gasket on the heating element, then water will leak when you put the new element in place.To repeat the most careful way to change the heating element is to remove all the water. To accomplish this, you must attach a drainage tube to the drainage valve at the bottom of the heating tank. The drain RC Air Swimmers screw is usually brass or copper and you must be absolutely sure you employ the right size head or you can mess it up; if that happens you will need to call a licensed plumber. Be sure that the positioning of the tube will allow water flow freely from the tank as that will Syma s107 upgrade insure that any sediment goes out with the draining water and doesn't stay in the tank. Then you turn off the out flow valve. Once you have emptied the tank of all the water, you can replace the two heating elements with matching elements. If your heating elements are really old and worn they may be challenging to remove. This might feel funny to an amateur plumber, however, licensed plumbers say you can pull them out with force and that won't hurt the tank. If you feel sqeamish about working with old elements you should {contact|call| the plumber.Once you have finished made the installation of the new elements you should reopen the water inflow valve and {refill the tank|replenish the water in the tank|fill the tank completelyreplenish the water supply in the tank. Once refilling is completed you can reactivate the tank's electricity. If you feel funny about doing any of the cautionary steps described in this article than you should call an experienced plumber, to be sure you don't damage anything when replacing the elements.
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