Question about Rheem 40 GAL ELEC TALL Water Heater 6YR SC 82VH402

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No hot water

No power to bottom element, element checks out ok(resistance)

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Have you checked the bottom thermostat for power coming to it and out of it. The thermostat may be bad, that would be the first thing to check. Also check the wires coming out of top thermostat to lower one for power it could be the top not suppling the power.

Posted on Jul 13, 2010

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Posted on Jan 02, 2017

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Electric water heater stopped working


The unit doesn't like to drain without air coming in on top of water, so flushing with pressure applied is the preferred way. Be careful, see if you have power coming into unit. Turn off power and open the connection connection plate I would suspect that if the breaker is supplying power, sometime I have found that the connections are not properly made.. . If you a timer to limit operational hours take it out and go directly to romex from breaker panel.I f water starts hot and then go cool very quickly the bottom heating element and or thermostat is not working. Remove lower element cover and with power off check element resistance you can compare upper and lower element readings. From experience I never repair water heaters: time and material is more than new unit. You will need to buy element socket heating element(s) and or thermostat(s). In the end you still and old water heater.

Apr 20, 2017 | Whirlpool 28 Gallon Electric Mobile Home...

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Electric Hot Water Heater Temperature Adjustment


If your electric hot water heater is not getting your water hot enough or your water is too hot then you can make the adjustment easily yourself. There are a few things that you may need to know to do this. I will go over where the thermostat(s) are located and also how to make the changes.

The first thing to remember is to make sure that the power is turned off to the hot water heater before you attempt to open any of the covers and make any adjustments.

The next thing is to locate the covers which are over the thermostats and the elements. There are two on most hot water heaters, one for the top and one for the bottom. One or two screws hold these covers in place. They will look like this when you look at the front of the hot water heater.
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When you have the cover removed you will see that the top thermostat, reset safety control and the element look like this.
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The bottom thermostat and element look like this.

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If you need to reset the hot water heater you push the red button on the top thermostat in hard till it clicks. To change the temperature setting on the thermostat you need to take a screw driver and turn the dial to the desired temperature either higher or lower as you prefer.

The elements can also be checked by using and ohm meter and checking for resistance across the two terminals of the element. If you get no resistance or a high resistance the element is no good. A normal reading with most meters will be somewhere in the 8-25 ohm range. This even gives a bit of buffer for different meters and the possibility of them being a bit out of calibration.

For most people a simple adjustment of the temperature settings will be sufficient to give you the results you want. Remember that you may need to adjust the thermostat for both elements to get the desired result. Also remember that you can get a longer time before you run out of hot water if the water is hoter and you mix more cold into it. The downside of that is the chances for scalding are greatly increased with hotter water. If you have small children or elderly adults, think carefully about what very hot water can do to them.

For higher efficiency you also want to keep the water temperatures as low as possible to reduce the residual heat loss of the stored hot water.

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/r4041115-clean_hot_water_heater

http://www.fixya.com/support/r4656414-replace_thermostat_element_electric_hot

on Apr 29, 2010 | Water Heaters

1 Answer

My Reliance water heater suddenly produced only luke warmwarm water. I checked for power to the elements. Top one had nothing, bottom one had 110. I replaced the top element (which looked ok.) (power...


Lower element will always test 120V to ground since thermostats turn off one hot wire.

Listed below are suspects in order of ease.

1) Check that hot water is not running out of TP valve and down into a drain.
This will cause water heater to run all the time but not be able to keep up.

2) Test elements before replacing anything:
http://waterheatertimer.org/How-to-test-water-heater-element.html

3) Test electricity to water heater:
http://waterheatertimer.org/Test-electricity-to-water-heater.html

4) Replace both thermostats.
http://waterheatertimer.org/How-to-replace-thermostat-on-electric-water-heater.html

5) Final thing would be full troubleshoot:
http://waterheatertimer.org/How-to-troubleshoot-electric-problems-with-water-heater.html

Add a comment for more free help.
Also take advantage of fixya phone service.
For a price, expert speaks with you over phone while you work on water heater or any do-it-yourself project.
Fixya is always less expensive than a service call.

Sep 29, 2010 | RELIANCE ELECTRIC WATER HEATER

1 Answer

Installed new rheem 40 gal elec water heater. model ge40m06aag. no hot y already checked breaker and am getting. 240v to the wh


did you turn the power on BEFORE you filled it with water???

this is a pretty common mistake. you will need to check the upper element to make sure its working.
most water heaters have an upper and lower themostat. the upper thermostat is the one we need to check.

use your volt meter...

turn the power off, test with your volt meter to make sure! remove one wire from the element, not the thermostat, and check resistance on the element. if no resistance, you burned the element, and will need to replace it.
replace with same wattage, usually 4500watts. it will be written on the element.
also, I like to push the reset button on the thermostat to make sure it wasn't tripped.

Aug 31, 2010 | Rheem 40 GAL ELEC TALL Water Heater 6YR SC...

1 Answer

Replace thermocouple


Here is a manual for your water heater, I think it's actually an 82VH40-2
http://globalimageserver.com/fetchDocument.aspx?id=17bb6286-4eb8-4e44-813e-6ccfafda4404

An electric water doesn not have a "thermocouple" like a gas water heater does that senses pilot., Most electric hot water heater has two heating elements, two thermostats, with high temp cut outs. If your heater is not working, the elements could be bad. If you want to test, remove power to the water heater, disconnect wires from heater elements, and using an ohm meter measure resistance across the terminals. If it is open then the element is bad. You can compare readings from top and bottom elements. While the bottom element is on more often, if you're replacing one, I'd replace both. The water heater will have to be completely drained in order to do this. If the elements are ok, then you can test the thermostats the same way. It would have been better if you could have described your problem

Aug 14, 2010 | Rheem 40 GAL ELEC TALL Water Heater 6YR SC...

1 Answer

Hot water wont get hot


1-First check for power to water heater and remove acces panels on heater to check power at thermostats. Thermostats have a reset button on them that trip and can be pressed to reset.

2- If none of the above have changed any thing and you have power you may have elements gone bad.

If an element is gone at top you will get scalding hot water then go to cold.

If an element on the bottom is gone you will get luke warm water then will get cold.

May 17, 2010 | Water Heaters

1 Answer

New elements installed, but it appears the bottom element is not operating. Hot water for about 2-3 minutes only


Turn the power off to the water heater, and take an ohm reading of the elements. (you will need to disconnect the wires attached to the terminals) You should get measurable resistance through both elements, and they should be close to each other. If a reading is 0, then you have a short, and if the reading is OL, or infinity, then you have a broken element. Hope this helps.

Mar 11, 2010 | Water Heaters

1 Answer

Installed new thermostats and element and now have no hot water except I have power every where


You need to check the resistance of the Element... and check that the Thermostat is actually switching the power through, when it gets to temperature. Do a continuity test from the P & N, to the Element. usually the Phase comes in to the Thermostat, then through to the Contacts, to the "Hot" side, of the Heating Element, & back from the "Other"s side, the "Cold" side of the Element, to neutral. When thermostat is Operated, ON, When it gets to selected temperature it switches OFF, you should have a Resistance, measurable from P & N at mains lead in.
You can figure this resistance out by Dividing the Wattage of unit, by the Voltage this gets the Current, Now we divide that Current, into the Voltage and we get the "Resistance" of the "Load" or Element. This is what you should "See" with your OHMS Meter when you look "In" to the circuit. +/-10% is OK

Mar 07, 2010 | Rheem 40 GAL ELEC TALL Water Heater 6YR SC...

1 Answer

Little amount of hot water


Quite likely a bad element. There are two in electric HW heaters. Often the bottom one will fail so you only end up with the upper half heated up.

You can check it with a digital volt meter if you have one.

with the power off at the breaker box, you can remove the wires from the element and (using the ohm (resistance) setting) check across the terminals. it should read around (4500W/240V = 18 ohms).

How old a HW heater? might be time to replace it...

Peace,

Mar 05, 2010 | Water Heaters

1 Answer

No hot water


If the water 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. Take care here - a defective circuit breaker can give a false 240 volt reading - check for the 240 volts across the upper element (i.e. when the 240 volts has a live load on it, not just an open circuit test).
Also, 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 15, 2008 | Water Heaters

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