2011年12月13日星期二

Trouble Shooting 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 the hot water turns cold after a five minute shower, than chances are you've got a bad heating element. The cause of the malfunction might be hard water, Minerals in hard water, such as calcium and magnesium ions, create chemical changesthat lessen the effectiveness of the water heating element. The plus side of it is you probably don't have to install a new heater; you can just replace the heating element.Putting in a new heating element is a basic job for anyone who is familiar with plumbing and water heaters. However, if you are a DYI repairman, there are certain dangers to watch out for and I will go over them in this article. The first step any repairman wants to be positive and do is to shut off the electrical current to the water heater. The electrical current must be turned off at the breaker box. If the breaker is not labeled, you have to shut them off one by one and then check if the electrical flow is off in the system. Checking for live current inside the heater is a test that must be done carefully. Lifting off the cover over the heating elements must be done very cautiouslylcarefully. If there are live connections within you want to be extra cautious you don't touch them. An electrical meter is useful to test if there is electricity flowing through. At times the upper heating element shuts down when the air angry bird water is sufficiently heated, so you should the upper two leads of the upper thermostat. Even {when|if| power has been transferred to the lower thermostat, the upper leads should still work. Once you have determined that the power is cut off you want to measure the resistance of the heating elements. This isn't as simple as it might seem. You first need to unscrew one of the leads to be certain you are measuring the resistance properly. The resistance can be measured against the screw that holds the heating element in place.After you have ascertained that one or both heating elements need to be replaced, you are required to drain the water. While experienced plumbers have ways to change the heating element without draining the tank completely. An DYI plumber using this technique could cause a lot of flooding in the house, and so is encouraged not to use it.It is essential to remember not to remove the water from your tank while the the current is live. The heating elements are meant to work with water not air. If they are exposed to air, they will let out a popping sound, which sounds like a gun and is terrifying. The next fact to keep in mind, when changing the heating element, is to air swimmers be sure to place a rubber gasket around the element. If you neglect to place the gasket on the heating element, then your heater will leak when you put the new element in place.To reiterate the most careful way to change the heating element is to let out all the water. To accomplish this, you must attach a tube to the drainage valve at the bottom of the tank. The drain screw is usually made of brass or copper and you must be sure you have the right size head or you can mess up the screw; if that happens you will be required rc flying fish to call a licensed technician. Make sure that the water will flow freely from the tank since that will insure that sediment goes out with the draining water and doesn't stay in the tank. Then you turn off the out flow valve. air angry bird Once you have drained all the water, you can install two new matching heating elements. If your heating elements are really old and worn they may be tough to remove. This might feel funny to an amateur plumber, however, professional plumbers say you can pull them out with force and that won't hurt the tank. If you feel funny about working with old elements you should {contact|call| the plumber.Once you have finished made the installation of the new elements you need to open the water inflow valve and {refill the tank|replenish the water in the tank|fill the tank completelyreplenish the water supply in the tank. After you have refilled the tank you can restart the electricity. If you feel funny about doing any of the cautionary steps described in this article than you should call an experienced plumber, to make certain you don't damage anything when replacing the elements.

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http://festoon-bulb-led.blogspot.com/2011/11/benefits-of-hd-television.html

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