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What is the best replace the elements and thermostats or just get a new waterheater

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  • Water Heaters Master
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Best is to replace anode rod, and leave elements and thermostats alone until they go out. IF you can get the anode out.
http://waterheatertimer.org/Replace-anode-rod.html
Anode rod prevents tank from rusting. Anode rods deplete over time in most situations, and then tank begins to rust. If the anode can be successfully removed, and updated, then tank rusting stops, and you're tank is good for another 10 years.
So answer to question is: Depends if tank is rusty, and if tank is sitting in drip pan to protect home from possible leak.
http://waterheatertimer.org/Leaking-water-heater.html
Tank-type electric heater is unique since it can last almost indefinitely, with maintenance. Therefore maintaining tank-type electric water heater can pay you $5-10 per month.
http://waterheatertimer.org/How-to-maintain-water-heater.html
Ordinary electric tank type can outlast all other water heaters, and be far simpler to fix yourself than any other type heater: including gas tank-type, electric hybrid tank-type, electric-and-gas tankless etc. More complicated heaters will eventually fail, and the lifespan is limited. Which is argument against buying expensive water heaters that are controlled by computer chip etc. Avoid tankless promotion. Tankless cost more..Period.
http://waterheatertimer.org/Troubleshoot-Rheem-Tankless-water-heater.html

Posted on May 01, 2013

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Posted on Jan 02, 2017

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How to replace the Thermostat and Element for Electric Hot Water Heater


If you are having a problem with your electric hot water heater then you may also wonder if you can replace the failed part. The short answer to this is yes! The replacement is easy enough that most any handy person can easily perform this task.

First off make sure that you remove all power to your electric hot water heater. Then remove the access covers that cover the thermostats and the heating elements. After performing the required diagnostic tests to find the fail part you can then concentrate on the part removal and replacement. Check the tips at the bottom of this one to see how to trouble shoot your hot water heater.

To replace the heating element you may have one of two styles of element. One style has a four bolt flange that holds the element in and the other has threads that hold it in.


Before removing an element make sure that you shut off the water and drain the tank to a level below that of the element that you need to replace. This will keep you from making a mess and possibly hurting your self with the hot water.

For the four bolt flange type element, you simply remove the two wires from the element and then turn out the bolts from the flange. Once the flange is off the element will just pull back and out of the hole.
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Replace with a new element and gasket. Make sure that the new gasket gets seated in the hole to seal the element when you tighten down the bolts on the flange again. The bolts do not need to be super tight. Just snug them up good and then fill the hot water heater with water to check for leaks and then tighten more if necessary.

For the screw in elements, a removal tool is a good idea.
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A large socket looks like it would work, but because of the thinness of the hex part of the element and the bevel on most large sockets, it is very difficult to get them to grip the element securely. Most hardware stores or home centers sell a very inexpensive removal tool that works very effectively. It is well worth the effort to get the proper tool to do the job. To remove the screw in element you need to turn the element to the left or counter clockwise. Then make sure that you do not cross thread the new element as you turn in clockwise or to the right and tighten it in. Once again, make sure the gasket is seated correctly and do not over tighten. Re-hook the wires after leak checking the tank and replace the cover before energizing the electric hot water heater.
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To replace either the top or bottom thermostat, you also need to de-energize the hot water heater and remove the cover. When removing a thermostat it is a very good idea to mark the wires and the position where they were on the old thermostat. This makes the re-installation of the new thermostat easier. The old thermostat is held tightly too the tank so that it gets a good reading on the tank temperature. Be careful not to bend the bracket that holds the thermostat when you remove the old one. If you do not have the new thermostat making good contact with the tank it will not operate correctly and give you too hot of water. After switching the old thermostat with the new one, replace all of the wires to their correct position, replace the plastic, and the cover before energizing the hot water heater. Both the top and bottom thermostats are similar in their replacement, but the top thermostat also incorporates a safety reset control and switches power to the bottom element when the top of the tank is hot enough, so there a re a few more wires to that thermostat. This also keeps the two thermostats from being interchangeable. You cannot install a bottom thermostat or the top or a top one on the bottom.

This whole process is not as complicated as it may seem and you can do it!

http://www.fixya.com/support/r4654730-electric_water_heater_not_working

http://www.fixya.com/support/r4422595-electric_water_heater_wiring_diagram

http://www.fixya.com/support/r4656190-electric_hot_water_heater_temperature

http://www.fixya.com/support/r4041115-clean_hot_water_heater

http://www.fixya.com/support/r3689051-home_water_heaters_hot_water_heater

on Apr 29, 2010 | Water Heaters

1 Answer

Thermostat reset trips continually


Here's an article detailing electric water heater repair, that will be helpful to you.

Generally, when the reset button must be activated repeatedly, it indicates that one of the thermostats is not working properly. It is failing to sense the the actual temperature of the water in the tank.

This may be caused by a number of different things with the more likely being a defective thermostat, water damaged thermostat, poor contact of the thermostat with the tank itself (this can be due to rust build up between the two or insufficient spring pressure holding the thermostat against the tank).

You should do a visual inspection of the thermostats (with the power off!) to rule out the poor spring pressure, presence of rust or water and water damage to the thermostat. Repair sources of leaks if possible, remove thermostat(s) to clean the mating surfaces behind it and replace thermostats / parts that are weak or bent (in the case of the spring clip); wet or show evidence of earlier water damage.

Once the thermostat(s) can properly detect the rising temperature of the water being heated by the heating element again, it will shut off power to the heating element when the water matches the temperature you have selected. When the thermostat is unable to accurately determine the water temperature due to poor contact with the tank, the thermostat will continue too allow power to flow to the heating element - causing the water temperature to rise significantly higher than the level selected. This is when the high temperature switch operates to prevent the water from being heated any more. Needless to say, scalding is a very real threat any time the heaters continue to heat the water to a temperature higher than 140 degrees.

I hope this helps & good luck!

Jan 16, 2013 | General Electric GE SmartWater Household...

2 Answers

Heating coils were replaced last december and today no hot water for a shower after 5 minutes in the shower. The electric is flying on the meter. Have shut off the circuit breaker for this hot water


Copy following link for tank-type electric water heater troubleshoot:
http://waterheatertimer.org/How-to-troubleshoot-electric-problems-with-water-heater.html#skyrocket

Press reset button located on upper thermostat.
Test elements for short to ground against steel tank.
Clean sediment out of tank. Check for water leak running hot water out of tank.
Replace both thermostats.
http://waterheatertimer.org/How-to-replace-thermostat-on-electric-water-heater.html

Nov 25, 2012 | Rheem Water Heaters

1 Answer

Reliant 40 gallon tall electric water heater replaced both thermostats upper and lower elements flushed tank hot water very hot temp turned down lowest possible keeps tripping reset button what else could...


Problem has to be bad element or bad thermostat.

Test elements for short to ground through metal tank wall:
http://waterheatertimer.org/How-to-test-water-heater-element.html

Make sure factory-installed insulation and cover are re-installed over new thermostats so they do not misread tank temperature.
If problem does not show with elements, then replace thermostats again.

Oct 06, 2012 | Reliance & 40 Gal Electric Mobile Home...

1 Answer

My hot waterheater tryes to start then sputers and quits ,rest of gas equipment runs fine ?


Does it have the safety cut-off in wire to thermostat? Inside a plastic sleeve near pressure relief valve. If yes, remove it from the circuit temporarily and connect female spade from wire directly to thermostat where it was attached and try it. If it works, you need a new one of those. If not, get back to me.

Aug 13, 2011 | RTO Atwood Water Heater - 6 Gal LP

1 Answer

HELLO, MY WATERHEATER KEEPS TRIPPING THE RESET BUTTON ABOUT TWO TIMES A MONTH. WHAT COULD BE THE PROBLEM?


could be faulty thermostat/reset button, or shorted element. Breaker to water heater off,
Check elements for continuity to ground. should be no continuity to ground. If elements OK replace reset button. If you have noticed very hot water and elements checked OK then replace both thermostats along with reset button

Feb 17, 2010 | Reliance & 50gal Electric Water Heater

1 Answer

My reliance electric waterheater wont shut off.i replaced both upper and lower themostats. it runs till it trips the reset switch.sounds like the upper element still running after lower shuts off


Test elements for short to ground.
Element that is shorted in center might not trip breaker.
Because thermostat only turns off one leg of 240V circuit, the element will continue heating using 120v to ground:
http://waterheatertimer.org/How-to-test-water-heater-element.html

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For a price, expert speaks with you over phone while you work on water heater or any do-it-yourself project.
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Nov 01, 2009 | RELIANCE ELECTRIC WATER HEATER

1 Answer

Rheem 92 gal. no hot water. breaker not tripping. lower thormostat reading no ohms. the upper thermostat is reading about 6 ohms. however when i turn power on the upper thermostat reads no voltage? Do i...


Have you checked to make sure that the elements are good by checking the ohms. Be sure that the power is off and the wires are disconnected from elements and then also be sure to check the ohms across the tank to make sure there is not a dead short in the element reading through the tank. If both elements are good then I suggest replacing both thermos then they will both be new and should work for you . Thermos can be problematic when trying to test them sometimes they won't always give you correct readings. Make sure you have the breaker off whenever you mess with a waterheater, and make sure you install the thermos correctly with the right wires going where they should.

Apr 19, 2009 | Rheem 80 GAL ELEC TALL Water Heater 6YR SC...

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