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

1 Answer

No hot water, Rheem Model RR612T, Electric Hot Water Heater, 60 g

I have 115V to both sides of the top and bottom elements, 0 volts across both elements. Am I correct that the elements are burned out?
I pushed the thermostat?? reset in the top center of the block but nothing happened.

Posted by jweir on

  • 1 more comment 
  • HANK MCNEIL May 11, 2010

    you have 0vac btwn the terminals of the elements? 115V btwn the terminals and ground? Is this a 240v or 110v WH?

  • Anonymous Mar 17, 2014

    I have a single element 250L electric water heater which i have changed the element and thermostat. would like a wiring diagram to check?

  • Anonymous Mar 24, 2014

    I have a powerstar model 45557701 electric heater that is just putting out warm water not hot.. When I touch the two elements the one on the right is cold the left is hot how can I see what controls that side? I have a multimeter and know how to use it just need good schematic thanks. [email protected]

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If you don't have current, 0v from terminal to terminal, then you don't have voltage to the elements. Replace the thermostat but check that you have 220v to the thermostat. It is possible that your breakers to the unit are either bad or tripped.

Posted on Apr 07, 2009

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1 Answer

No hot water


240Volt water heater.
No hot water.
Check circuit breaker.
Open top cover and push in reset button.
If problems continue, the replace thermostats and test elements.
http://waterheatertimer.org/How-to-replace-thermostat-on-electric-water-heater.html
http://waterheatertimer.org/How-to-test-water-heater-element.html
http://waterheatertimer.org/How-to-troubleshoot-electric-problems-with-water-heater.html

If you need further help, I’m available over the phone at https://www.6ya.com/expert/gene_9f0ef4df2f9897e7

Sep 28, 2012 | Rheem 82V52-2 WATER HEATER FOR 220 VOLTS

1 Answer

I just installed a marathon 50 gallon 4500 watt, hot water heater. I do not have hot water. The wiring to the upper element and thermostat all test at 240 volts. The lower element and thermostat show no...


The top element should be heating if there is 240 volts across the element terminals. I take it that the top element is the booster element. The thermostat for the top element is normally a 2 pole thermostat which switches the neutral to the bottom thermostat once it reaches temperature. Once this occurs then the bottom element will start to heat. The top element will only come on when you use all the hot water. Is this supply on the off-peak rate? When testing always check the voltage across the element terminals.

Mar 20, 2011 | Rheem Water Heaters

1 Answer

No hot water from my Rheem 72-40-1, I replaced the bottom element a couple of times now in the last 4 months. I replaced the bottom element last night and for the first time opened the top cover to see...


Open following link to look at thermostat wiring
http://waterheatertimer.org/How-to-wire-water-heater-thermostats.html

If you have dual element electric water heater, then that is a 240Volt water heater.
http://waterheatertimer.org/240-v-water-heater-circuit.html

If you are replacing lower element several times, are you also cleaning out the tank?
http://waterheatertimer.org/Clean-sediment-out-of-water-heater.html

Are you installing same wattage element shown on label on side of tank: Should be 4500Watts.
http://waterheatertimer.org/Figure-Volts-Amps-Watts-for-water-heater.html

If upper element burns out, then tank will have no hot water:
http://waterheatertimer.org/How-it-works.html
http://waterheatertimer.org/How-to-test-water-heater-element.html

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

Mar 05, 2011 | Rheem Water Heaters

1 Answer

Running out of hot water I replace both heater coils and still seems like were running out of hot water the top coil has 230 volts going to it but the lower has no volts going to it jeff thanks


Hi,

Only one of the hot water heater elements will have power going to them at a time...
When the water at the top of the tank gets hot then the top thermostat should switch the power to the bottom one... this may not be happening...therefore you are only getting about a thrid of a tank of hot water...

Electric Water Heater not Working
heatman101

Jan 12, 2011 | Rheem 50 GAL ELEC TALL Water Heater 6YR SC...

1 Answer

My water is not heating in my Rheem 40 gallon electric. I pushed the reset button, but when I turn off the breaker and then on again, I do not hear the elements heating up.


Electric water heater can be repaired by homeowner
If I understand correctly, water heater is producing no hot water.
Reset button clicks in, but still no heat.

Three initial things can be causing this:
1) No power to water heater. Test across top two screws on upper thermostat for 240V. Red and black wire are attached to these screws. Screws are marked 1 and 3. Upper thermostat is same that has reset button. If power tests 120 across screws, then breaker may be off on one leg. If no power, then start testing at breaker.
http://waterheatertimer.org/How-to-troubleshoot-electric-problems-with-water-heater.html

2) Upper thermostat is bad. Replace thermostat with generic upper thermostat available at hardware store.
http://waterheatertimer.org/How-to-replace-thermostat-on-electric-water-heater.html

3) Upper element is bad. Test and replace element using Rheem 4500 watt element available at hardware store. Image shown below. Look at label on side of tank for element wattage. Rheem puts 4500 watt elements into all their 240V electric water heaters.
http://waterheatertimer.org/How-to-test-water-heater-element.html

If upper element is burned out the tank will not heat any water.
http://waterheatertimer.org/How-it-works.html

Rheem 4500Watt element
geno_3245_98.jpg

Upper thermostats are generic and interchangeable:
geno_3245_99.jpg

Nov 23, 2010 | Rheem 40 GAL ELEC TALL Water Heater 6YR SC...

1 Answer

Water is not hot, doesn't last long. Thermostats turn elements on when turned up. Elements show 230 when on.


Lower element can be burned out and still read 230V across screws

1) We know thermostats are working because elements test 230V.
2) We know upper element is working because tank has some hot water.
If upper element is burned out, tank will have no hot water.
http://waterheatertimer.org/How-it-works.html

3) Here's how to test lower element:
http://waterheatertimer.org/How-to-test-water-heater-element.html

4)Here's how to replace element
Rheem element is 4500Watt bolt-in type
http://waterheatertimer.org/How-to-clean-sediment-out-of-electric-water-heater.html

5) Rheem manual says: Heaters furnished with standard 240 volt AC, single phase non-simultaneous wiring, and 4500 watt upper and lower heating elements.
http://waterheatertimer.org/pdf/Rheem-spec-sheet.pdf

geno_3245_94.jpgRheem 4500Watt element

Nov 21, 2010 | Rheem 40 GAL ELEC TALL Water Heater 6YR SC...

2 Answers

I TURNED ON POWER TO MY NEW ELECTRIC WATER 40gal MODEL # GEM402 AFTER FILLING WITH WATER. WATER WOULD NOT HEAT UP. CHECKED THREMOSTATS BOTH WERE PRSET AT 120 CHECKED POWER,BOTH HOT WIRES HAVE 124 VOLTS TO...


The controls of electric water heaters are designed so that at no time are both the top and bottom heating elements energized. Nearly all electric water heaters of this capacity in the US & Canada (other places, too) operate on 240 Volts.

When the water in the tank is below the set point of the thermostat (in your case - 120 degrees), the top heating element is expected to be on - (unless there is an issue with the top thermostat or limit switch). The top most control is the "high temperature limit". It is identified by the reset button on it. Make sure this isn't tripped by depressing the button. If it clicks - it was tripped and should start to make hot water at this point. If not tripped, you should check for the presence of 240 Volts between the heating element terminal screws. Do not measure from ground to a terminal screw and believe 120 Volts is "good". To make heat, you need 240 Volts - not 120 Volts measured across the terminals - not to ground. The amount of heat created running at 120 Volts is only 1/4 of what it will do at the correct voltage.

If you don't measure 240 Volts on the top element, check the bottom element in the same manner described for the top element.

If unable to measure 240 volts on any element, either there is a problem with the power source (blown fuse or circuit breaker), high temp limit switch, or thermostat(s).

If 240 Volts is present on either heating element, and water is not warm / hot in 30 minutes or so, a defective heating element is suspect. You can change controls without draining a tank, but replacing elements will require draining the tank first. Do not power the water heater without first filling it.

You can read a very detailed "how to" article about checking water heaters here.

I hope this helps - and good luck!

Nov 04, 2010 | Rheem 40 GAL ELEC TALL Water Heater 6YR SC...

2 Answers

Shut off electric current from the breaker switch to Rheem electric water heater for the summer on May 2, 2010 since no hot water needed for the summer. In an attempt to turn on the breaker switch to the...


hi, might want check the thermostat switch, and the heating element. the heating might rusted out, if water wasn't drain out over summer thanks.

Sep 28, 2010 | Rheem Water Heaters

1 Answer

Top heating element was broke. Replaced got hot water for week. Now have to run hot water for 20 mins before it goes from warm to hot. Top heating element reads 240VAC bottom heating element reads...


look for a badly connected power line ont he bottom element, or any connection upstream of the power terminals. voltage readings usually drop to that range when you only have one side of the 220v circuit connected.

Jun 20, 2010 | Rheem 50 GAL ELEC TALL Water Heater 6YR SC...

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