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DOES THE COVER ON BOTH END OF THE HEATR NEED TO BE REMOVED TO EXPOSE THE TWO THERMOSTATS UNDER THE HEATER ELEMENT?HOW TO REMOVE THE END COVERS ON THE HEATER

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6ya6ya
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Posted on Jan 02, 2017

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gary1121
  • 332 Answers

SOURCE: Condensation on electric water heater

did you put the gaskets in with the elements, there should be a rubber gasket on both elements, if you did and it is just the tank condensating, when you took out the element was it easy or did you have to apply alot of pressure, if you had to apply alot of pressure you may have even cracked the tank, and it is not condensation but water comming out of the tank,, and if you are sure that you didn't then your water comming in must be real cold and you will have to wait for the water in the tank to heat up to stop the condensation,, cold water comming in comes from the bottom thru a dip tube that takes the cold water to the bottom of the tank and force the hot water out the top, if you are on well water it will be vary cold comming in,, these are the only things it could be,, by the way did you fill the tank with water till it came out of the faucet at full pressure before turning on the electric? if not you could have also burnt up both elements and the water can be seeping out of the elements beings they are plastic and when they are fried the plastic melts, so turn off the electric pull out the element check it to make sure it is intact then if not get another new one reinstall it, fill with water till it comes out of the hot side on your faucet, then turn on the electric

Posted on Jun 27, 2009

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Dplumber
  • 119 Answers

SOURCE: My new heater stopped

The elements do not operate at the same time. They are designed to take turns coming on. Try setting the temperature of the top element 10 degrees lower than the bottom one, turn the hot water on in the bathtub. The bottom element should come on first. When you are done checking, turn the top element 10 degrees higher than the lower for normal operation.

Posted on Aug 28, 2010

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2 Answers

I keep having to reset the red button on the top thermostat!! does that mean the thermostat is going out should i change both or just top one?


You can replace the upper thermostat but usually when this occurs a couple of things may be at play. You may have a small leak in the water heater, especially if over 6 years old. Or you may have a bad element. (I have seen them actually split open when removed). You can reset the top thermostat and make sure the covers and insulation are in place (after checking around both thermostats for any leaks with power off of course.) and wait for the lower element to kick on, if the reset trips after the lower element comes on then probably the element. I usually take an amp reading with a snap around ammeter (about 12 amps draw when operating correctly) only one element operates at a time. Oddly enough, I have never had to replace an element on a single element water heater, only the duals. One last thought, if the tank is run completely out of hot water it can cause tripping as well such as multiple loads of laundry etc since it is operated by a thermo disk. Hope this helps.

Feb 16, 2011 | RELIANCE ELECTRIC WATER HEATER

Tip

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.
31bac6f.jpg

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.
506a25d.jpg
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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.
c665c2c.jpg
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

2 Answers

It has cold water comign out no hot


Hi,


Yes, the reset probably is tripped...push in the red button hard
Then turn it on and try it...

Check out this tip..

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

heatman101

Jan 18, 2011 | RELIANCE ELECTRIC WATER HEATER

1 Answer

My water heater wont heat up


You posted under Marathon electric heater.
If you have tankless or tank-type gas heater, information below does not apply.

Absence of hot water say upper element is not working.
1) This can be caused by tripped reset button located on upper thermostat. Open upper cover and push in reset button. Put ear against tank to hear bubbly fizzing sound. Put insulation and cover back over thermostat. Continue reading information below because reset button trips when thermostats are bad or element is shorted.
2) Upper thermostat is bad. Replace upper thermostat. I usually replace both upper and lower thermostats.
http://waterheatertimer.org/How-to-replace-thermostat-on-electric-water-heater.html
3) Electricity going to water heater from breaker box is interrupted.
http://waterheatertimer.org/Test-electricity-to-water-heater.html
4) Upper element is bad. Test element. Replace element if needed.
http://waterheatertimer.org/How-to-test-water-heater-element.html
http://waterheatertimer.org/How-to-replace-water-heater-element.html

5) Add a comment for more free help.

6) Also take advantage of fixya phone service.
For a price, expert speaks with you over phone while you work on heater or any do-it-yourself project.
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Jan 17, 2011 | Rheem MR105245 Marathon Electric Water...

1 Answer

I am only receiving half of the normal amount of hot water.


You have electric water heater.
Electric water heaters are fully repairable by homeowner, excluding hybrid type.

Rheem electric water heaters:
http://www.rheem.com/products/tank_water_heaters/electric_water_heaters/
Rheem fury series manuals and models
http://www.rheem.com/product.aspx?id=09DF2BDD-5E11-4D32-B574-84ACFB8A4619

Age of Rheem water heater is shown first 4 digits of serial number located on side of tank: for example 0705 means July 2005.
Serial number also shows model number & wattage of elements in case you need to buy new generic 4-bolt type 4500 Watt element from hardware store.

A) If your water heater receives very cold incoming water, it may not heat fast enough to keep tank warm.
Add a tempering tank.
http://waterheatertimer.org/Tempering-tank.html
Add insulation over entire water heater except TP valve. Insulate pipes completely.
Read more information:
http://waterheatertimer.org/9-ways-to-save-with-water-heater.html

B) 40 or 50 gallon water heater is 240Volts and tank will have 2 access panels on front.
Rheem ships all water heaters with 4500 Watt elements.

Narrow down the suspects:
C) Water heater has some hot water.
This tells us upper element is working.
And that water heater electricity is working.
And that reset button is not tripped.
And that heater is not experiencing run-away overheating event.

That gives us 3 solid suspects.
1) lower element is burned out. Test lower element using inexpensive multi-meter from Home Depot.
http://waterheatertimer.org/How-to-test-water-heater-element.html
Replace element with same wattage shown on label, and clean out sediment:
This will restore water heater to full 99% efficiency.
http://waterheatertimer.org/How-to-clean-sediment-out-of-electric-water-heater.html
http://waterheatertimer.org/Clean-sediment-out-of-water-heater.html

2) Upper or lower thermostat is bad. Replace both thermostats for about $25.
http://waterheatertimer.org/How-to-replace-thermostat-on-electric-water-heater.html
If you want to test thermostats and all parts before replacing anything:
http://waterheatertimer.org/How-to-troubleshoot-electric-problems-with-water-heater.html

3) Burned or shorted wire. Turn off power. Open covers on side of tank. Remove insulation. Inspect parts for signs of high heat and burning. Especially lower element. Tighten any loose wires. Replace part that shows signs of burning.
Put insulation and cover back over thermostats so cooler outside temperature doesn't cause thermostat to misread tank temperature.

geno_3245_185.jpgRheem 4500 watt element

Dec 14, 2010 | Rheem Water Heaters

1 Answer

The reset button has popped more then once.


You have electric water heater.
Electric water heaters are fully repairable by homeowner.

Reliance is AO Smith company
http://www.aosmith.com/OperatingUnits/Detail.aspx?id=138&ekmensel=c580fa7b_12_0_138_3
http://www.reliancewaterheaters.com/prod/elec.html

Age of Reliance water heater is shown on serial number located on side of tank:
first digit is letter. Next two digits are numbers: for example C06 means 2006.
Serial number also shows model number & wattage of elements in case you need new element from hardware store.

ECO reset button trips when upper thermostat senses temperatures higher than 150 to 180 degrees.
When ECO energy cut off trips, it turns off power at the reset button, so the tank does not continue overheating.
Tripping reset button says tank is receiving electricity, so we can eliminate that suspect.

There are 4 reasons why ECO will trip.
1) Bad upper or lower thermostat: solution replace both thermostats for about 25$. Steps shown in link below.
http://waterheatertimer.org/How-to-replace-thermostat-on-electric-water-heater.html
2) Loose wire or shorted wire at or near upper thermostat: Open covers on water heater and inspect parts for signs of high heat and burning.
3) Bad element shorted to ground in center of element: Solution test elements and replace defective element.
http://waterheatertimer.org/How-to-test-water-heater-element.html
http://waterheatertimer.org/How-to-replace-water-heater-element.html
4) Factory-installed insulation and cover has been removed from tank: thermostat exposed to cooler temperatures, and misreads tank temperature, and then elements keep heating water.

If you want to test all the parts before replacing anything:
http://waterheatertimer.org/How-to-troubleshoot-electric-water-heater.html


Thermostats are generic, and each functions same way and each can replace the other.
Same is true for both upper and lower thermostats
geno_3245_184.jpg

Dec 14, 2010 | RELIANCE ELECTRIC WATER HEATER

1 Answer

The water want stay hot very long


You have electric water heater.
Electric water heaters are fully repairable by homeowner, excluding hybrid type.

Rheem electric water heaters:
http://www.rheem.com/products/tank_water_heaters/electric_water_heaters/
Rheem fury series manuals and models
http://www.rheem.com/product.aspx?id=09DF2BDD-5E11-4D32-B574-84ACFB8A4619

Age of Rheem
water heater is first 4 digits of serial number located on side of tank: for example 0705 means July 2005.
Serial number also shows model number & wattage of elements.

A) If your water heater receives very cold incoming water, it may not heat fast enough to keep tank warm.
Add a tempering tank.
http://waterheatertimer.org/Tempering-tank.html
Add insulation over entire water heater except TP valve. Insulate pipes completely.
Read more information:
http://waterheatertimer.org/9-ways-to-save-with-water-heater.html

B) If cold outside temperatures are not to blame, your water heater may have a bad thermostat or bad lower element.

C) 40 or 50 gallon water heater is 240Volts and tank will have 2 access panels on front.
Rheem ships all water heaters with 4500 Watt elements.

Narrow down the suspects:
D) Water heater has some hot water.
This tells us upper element is working.
And that water heater electricity is working.
And that reset button is not tripped.
And that heater is not experiencing run-away overheating event.

That gives us 3 solid suspects.
1) lower element is burned out. Test lower element using inexpensive multi-meter from Home Depot.
http://waterheatertimer.org/How-to-test-water-heater-element.html
Replace element with same wattage shown on label, and clean out sediment:
This will restore water heater to full 99% efficiency.
http://waterheatertimer.org/How-to-clean-sediment-out-of-electric-water-heater.html
http://waterheatertimer.org/Clean-sediment-out-of-water-heater.html

2) Upper or lower thermostat is bad. Replace both thermostats for about $25.
http://waterheatertimer.org/How-to-replace-thermostat-on-electric-water-heater.html
If you want to test thermostats and all parts before replacing anything:
http://waterheatertimer.org/How-to-troubleshoot-electric-problems-with-water-heater.html

3) Burned or shorted wire. Turn off power. Open covers on side of tank. Remove insulation. Inspect parts for signs of high heat and burning. Especially lower element. Tighten any loose wires. Replace part that shows signs of burning.
Put insulation and cover back over thermostats so cooler outside temperature doesn't cause thermostat to misread tank temperature.
geno_3245_183.jpgRheem element

Dec 14, 2010 | Rheem 50 GAL ELEC TALL Water Heater 6YR SC...

1 Answer

What to do if water doesn't get hot even though I have increased the thermostat settings... the heater isn't even4 months old and it has done this from day one


You have electric water heater.
Electric water heaters are fully repairable by homeowner.

Reliance is AO Smith company
http://www.aosmith.com/OperatingUnits/Detail.aspx?id=138&ekmensel=c580fa7b_12_0_138_3
http://www.reliancewaterheaters.com/prod/elec.html

Age of Reliance water heater is shown on serial number located on side of tank: first digit is letter. Next two digits are numbers: for example C06 means 2006.
Serial number also shows model number & wattage of elements in case you need new element from hardware store.

A) If your water heater receives very cold incoming water, it may not heat fast enough to keep tank warm.
Add a tempering tank.
http://waterheatertimer.org/Tempering-tank.html
Add insulation over entire water heater except TP valve. Insulate pipes completely.
Read more information:
http://waterheatertimer.org/9-ways-to-save-with-water-heater.html

B) If cold outside temperatures are not to blame, your water heater may have a bad thermostat or element.
Narrow down the suspects:

Water heater is 240Volts since you have more than 1 thermostat.
Water heater has some hot water.
This tells us upper element is working.
And that water heater electricity is working.
And that reset button is not tripped.
And that heater is not experiencing run-away overheating event.

That gives us 3 solid suspects.
1) lower element is burned out. Test lower element using inexpensive multi-meter from Home Depot.
http://waterheatertimer.org/How-to-test-water-heater-element.html
Replace element with same wattage shown on label, and clean out sediment:
This will restore water heater to full 99% efficiency.
http://waterheatertimer.org/How-to-clean-sediment-out-of-electric-water-heater.html
http://waterheatertimer.org/Clean-sediment-out-of-water-heater.html

2) Upper or lower thermostat is bad. Replace both thermostats for about $25.
http://waterheatertimer.org/How-to-replace-thermostat-on-electric-water-heater.html
If you want to test thermostats and all parts before replacing anything:
http://waterheatertimer.org/How-to-troubleshoot-electric-problems-with-water-heater.html

3) Burned or shorted wire. Turn off power. Open covers on side of tank. Remove insulation. Inspect parts for signs of high heat and burning. Especially lower element. Tighten any loose wires. Replace part that shows signs of burning.
Put insulation and cover back over thermostats so cooler outside temperature doesn't cause thermostat to misread tank temperature.

Dec 13, 2010 | Reliance WATER HEATER CO #9-40-DKRT 40GAL...

2 Answers

Hot water runs out in 5 minutes it use to last 20minutes


Electric water heater can be repaired by homeowner.

Water heater has some hot water.
We know 3 things for sure:
- electricity is ok
- upper element is ok
- tank does not have overheating problem

Here are the suspects:
- Burned or loose wire
- Upper thermostat not working
- Lower thermostat not working
- Lower element not working

What to do:
1) Turn off power, open water heater covers and look for signs of burned or loose wire, especially on lower element. Burned wire on lower element says lower element is burned out.

2) Test lower element.
Lower elements burn out when sediment builds up inside tank.
http://waterheatertimer.org/How-to-test-water-heater-element.html
http://waterheatertimer.org/How-to-replace-water-heater-element.html

3) If wires are ok. And you do not want to test parts, then replace upper and lower thermostat for 25$. If problem persists, replace lower element.
http://waterheatertimer.org/How-to-replace-thermostat-on-electric-water-heater.html

4) If you want to test thermostats and elements before replacing anything:
http://waterheatertimer.org/How-to-troubleshoot-electric-problems-with-water-heater.html

5) When finished, be sure to put insulation and covers back on tank so thermostats don't receive cool air and misread tank temperature. This will prevent overheating of tank that causes red reset button to trip.

geno_3245_101.jpg

Nov 23, 2010 | RELIANCE ELECTRIC WATER HEATER

2 Answers

Whirlpool temp control on electric water tank


Most electric water heaters have 2 heaters - an upper and a lower, each with it's own thermostat. These are readily accessible by removing the screw covers on the side of the tank. Careful - the thermostats have 240VAC on the terminal screws (unless you have a small 120VAC heater) if the circuit breaker or fuses feeding the heater are still on - turn them off before proceeding. After removing the two screw covers and pulling back the insulation you will see temperature (screw) adjustments for the upper and lower thermostats, with a temperature indicating pointer attached to each screw. Set both thermostats to 125 degrees or so. Push the insulation back in place, replace the covers and turn the circuit breaker back on that feeds the water heater. You should have warm water within 15 minutes and hot water within a hour or so.

If the water still does not heat, then you have to troubleshoot to find the problem. With a voltmeter determine if 240VAC is actually getting to the water heater. Remember, the upper element has priority over the lower element, and if the water is cold, the upper element will try to turn on and this locks out the lower element (only one element is allowed to heat at any given time). The lower element comes on ONLY after the upper thermostat is satisfied. Therefore if the upper heating element is burned out you will never get any hot water. If you suspect this, TURN OFF THE POWER TO THE HEATER and take a resistance check of the upper element.

Nov 16, 2008 | Water Water Heaters

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