A constant supply of lukewarm water indicates a defective upper heating element, while a short supply of fully hot water indicates a defective lower heating element. Other electric water heater elements are held in place by a. He is also a contributor to InspectApedia. Clean the water heater tank face where the new gasket will sit before installing the new heating element. Connect a garden hose to the drain at the bottom of the tank and open the drain valve.
Hand fit the new element into place, and make sure it turns easily, indicating it has not cross threaded. Gas-fired models have a burner at the base of the heater that warms water inside the tank. Types of Water Heater Elements There are 3 types of water heater elements. You can find this information on the electrical plate of your water heater. On the other hand, if you are still getting the same amount of hot water, but it no longer gets as hot as it used to, this usually means that the upper heating element has failed.
Sediment from dissolved calcium or other minerals in the water encases the lower element, eventually shorting it out. If you still have hot water available but it runs out more quickly, this usually means that the lower heating element has failed causing only the top of the water to get hot. Failure to turn off electrical power can result in fatal electric shock, and it will certainly burn up any water heater elements that are still good when you drain the tank. In an effort to reduce the risk, use the proper tools and safety equipment noted in the applicable guide and follow all instructions. Be sure to use teflon tape or pipe dope on any threaded plumbing parts you are replacing.
Abbove we show a typical wiring diagram for a two-element electric water heater at which both heating elements operate simultaneously. After you are done, reconnect the hot outlet pipe, turn off the hot tap, open the main water stopcock, and then open the hot tap again to get out any trapped air. For flange-style elements, insert the Phillips-head screws into the flange and tighten them in place, making sure the new gasket slips into the recess in the tank. Leaks from water heater tanks can be due to loose heating elements or to tank corrosion. Do not touch any wires or electrical terminals. We have no relationship with advertisers, products, or services discussed at this website. A water heater that produces no hot water may not be getting power, or it may have a tripped limit switch or one or more failed heating elements.
If that doesn't solve the problem, test each heating element and replace it, if necessary. Shut off incoming supply line. Low Watt Density Element Low watt density elements are well suited for areas with. Reconnect and Repower Reconnect the wires to the new element s , taking care to connect the correct wires to the same equivalent terminals to avoid shorting the element. We also provide a to this topic, or you can try the page top or bottom as a quick way to find information you need. Buy a special wrench designed for tightening and loosening water heater elements.
Replacing a hot water heater element is probably faster and easier than you thought, and is only a fraction of what a. This will purge the lines of any excess air and sediment. Use the photo to make sure you replace the wires in the correct order. Even though these are a lower watt density, there isn't a loss in efficiency. If the reset button pops out again, check the elements. If there is any resistance reading at all, then the element is working fine. Cannot be applied to previous purchases and cannot be redeemed for cash.
These elements are an excellent choice if you live in an area where you experience intermittent water supply levels, as they resist dry firing. In most cases you will need to use a Element Removal Wrench. The lower element is forced to heat the whole tank, which drastically reduces the overall temperature of your water. The upper heating element is made up of a series of metal loops that have been electrically charges, causing them to heat up. Threaded base made of zinc-plated carbon steel. Make sure you use a new gasket as well.
. Tighten bolts in diagonal patter. Most electric water tanks have two elements. If you left a hot water faucet on, you might hear your such as a sputtering noise as the tank fills and air is forced through the pipes. Tank must be properly filled with water and free of air before applying electric power to prevent element damage. You may need to move a piece of insulation to expose the element.