Question about Rheem 81VP6S/430126 Water Heater

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Water heater trip circuit breaker

When switch on for about 15 minutes, the circuit breaker will trip. Guess, it could be when it reaches the specifed temperature, it trips. ? What is the actual problem ?

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  • sycshio Mar 18, 2009

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I would say you have a bad element in the bottom.If the water is cold and heat until the top thermostat reach it tempture,then switch the bottom element and then the breaker trip.So replace the bottom element.

Posted on Mar 15, 2009

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Eemax280t2t no hot water


see if the circuit breaker switch has tripped either partially or fully and reset it. Check for bad or loose wiring on the heater and breakers. The next thing is more likely the heating element is no good and needs repaired or the heater needs replaced.

Jan 30, 2014 | Eemax Water Heaters

1 Answer

Electric shower just installed cuts out at fusebox after being on for about a minute


10-20-12
Circuit breaker is tripping on electric shower?

This could be absolute danger until more information is known.

1) Breakers trip because they sense heat, because the wire size is too small, or breaker size is mismatched with wire. Or breaker is loose on busbar.
Copy following links to determine correct wiring and breaker:
http://waterheatertimer.org/Color-codewire.html
http://waterheatertimer.org/How-to-wire-Tankless-electric-water-heater.html

GFCI circuit breaker will trip because of same heat condition described above, and also trip if ground fault is detected.
Water leaking into element will trip GFCI.
Absolutely you need to get this problem fixed before shower is put back into service.
Call electrician, or the installer, or the manufacturer, or all.
http://waterheatertimer.org/How-to-wire-GFCI.html#spa

Oct 18, 2012 | Rheem EcoSense by 7.4 GPM Tankless Water...

1 Answer

The water heater (Reliance Elec 501) does not turn on, This happened on the same day that our whole apartment lost power due to tripped main switch.n I reset main but water heater does not respond,...


Two-element water heater is 240Volts.
No hot water means: ECO reset button tripped, upper element bad, upper thermostat bad, or 240Volts is not reaching water heater.
Circuit breaker can be delivering power on one leg of the 240V circuit, so water heater appears to have electricity but is only receiving 120V.
Test for 240volts across top two screws on upper thermostat.
Look for loose wires and burned connections.
Push in reset button real hard.
Replace both upper and lower thermostats.
Remove wires and test upper element for continuity.

Open following links for do-it-yourself troubleshoot walk-thru:
http://waterheatertimer.org/B220C.html
http://waterheatertimer.org/How-to-replace-thermostat-on-electric-water-heater.html
http://waterheatertimer.org/How-to-troubleshoot-electric-water-heater.html
http://waterheatertimer.org/Test-electricity-to-water-heater.html

Aug 21, 2011 | RELIANCE ELECTRIC WATER HEATER

1 Answer

Powerstar 115 tankless tripping reset ontop of #2 heat chamber #1 does not get overly warm mainly because of incoming water temp. but #2 seems to be heating after water flow stops to hot to touch and...


I don't have specific suggestion for tankless tripping breaker or if that is a circuit breaker problem or a tankless problem.

1) Move wires to another same-size breaker and see if problem persists.

2) Compare amp draw on tankless label with wire size and breaker size amp rating.
For example 30 amp breaker using 10ga wire is rated for 80% of listed amps or 24 amps.

3) If you are drawing full 30 amps, then 30 amp breaker is getting hot. Breaker trips with heat. Older breakers can trip more easily.
http://waterheatertimer.org/How-to-replace-circuit-breaker.html

4) Before calling service technician, open following link for Bosch troubleshooting steps.
http://waterheatertimer.org/Troubleshoot-Bosch-Tankless-water-heater.html

5) Be sure to read manual for yearly maintenance requirements.

6) Add a tempering tank for incoming cold water problem.
http://waterheatertimer.org/Tempering-tank.html

7) All gas tankless brands can be repaired by homeowner for $330.
http://waterheatertimer.org/How-to-install-gas-water-heater.html

Apr 22, 2011 | Bosch PowerStar AE115 Tankless Water...

1 Answer

No hot water


You posted under Rheem 40 gallon electric water heater, which is two-element 240Volt heater.
If this is not your heater, add a comment.

If you suddenly have no hot water, that narrows the suspect list.

Step1:
Check for tripped circuit breaker.
Open top cover on water heater and push in reset button on upper thermostat.
If reset button is tripped out, and will not push back in, then replace upper thermostat.
http://waterheatertimer.org/How-to-replace-thermostat-on-electric-water-heater.html
Put ear against tank and listen for bubbly-fizzing sound that says heater is ON.
If reset is not tripped, then move to step 2

Step 2: use tester or multi-meter and test across top two screws on upper thermostat for 240Volt.
If heater is not getting 240V, then test circuit breaker.
Move water heater wires from 240V breaker to another same-amp 240V breaker and see if that restores power.
You may need to replace breaker:
http://waterheatertimer.org/How-to-replace-circuit-breaker.html
If problem persists, then you might have a line problem between breaker and water heater.
Open cover on top of heater, and check connections on top of heater.

Step 3:
If heater is getting 240V, then upper thermostat or upper element is bad.
I suggest 30 minute troubleshooting which could save you a service call, and will be valuable information in the future:
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, fixya expert speaks with you over phone while you work on timer.

Jan 08, 2011 | Rheem 40 GAL ELEC TALL Water Heater 6YR SC...

1 Answer

One of the breakers assigned to our Hot wtr htr has been tripping recently leading to loss of hot water. This has happened twice in the last month. After resetting the breaker things have worked fine,...


Breaker could be bad.
Let's do a quick check and save you money.
Open top cover on water heater and push in red reset button that might be tripped.
If reset is tripped, water heater should turn ON.
If reset will not reset, then replace upper thermostat:
http://waterheatertimer.org/How-to-replace-thermostat-on-electric-water-heater.html
If reset is not tripped out, then it is OK, so test two top wires on upper thermostat.
Use cheap multimeter from home center, and set dial to 240-250-277 VAC.
Test across top two screws on upper thermostat to see if you have 240Volts.
To do full troubleshoot on ordinary tank electric water heater takes 30 minutes and multimeter
http://waterheatertimer.org/How-to-troubleshoot-electric-problems-with-water-heater.html

If water heater is not receiving 240V, then the breaker is suspect, or a wire between breaker and water heater is loose.
See basic water heater circuit
http://waterheatertimer.org/240-v-water-heater-circuit.html

Now let's look at circuit breaker:
Mark suspect 240V breaker.
Identify all your breakers, and also mark another 240 Volt breaker that is same amperage as water heater 240V breaker.
Turn off main breaker.
Take front panel off breaker box.
The wires and lugs on main breaker are HOT, so stay away from that area.
http://waterheatertimer.org/See-inside-main-breaker-box.html
Suspect breaker has 2 wires coming from breaker.
See if one or both wires are loose, and then tighten.

If wires are tight, then move these wires to the other 240V breaker that is rated for same amps as water heater.
Now turn on main breaker.
Put ear against water heater tank to hear bubbly fizzing sound.
This will identify if circuit breaker is bad, or if water heater needs a full troubleshoot.
It is not a good idea to run two 240V appliances on same 240V circuit breaker, so you may have to decide one or the other appliance until you can replace breaker.
Instructions to replace circuit breaker:
http://waterheatertimer.org/How-to-replace-circuit-breaker.html

Add a comment for more free help.
Also take advantage of fixya phone service.
For a price, fixya expert speaks with you over phone while you work on water heater circuit.

Jan 07, 2011 | Water Heaters

1 Answer

Replaced both lower and top elements and upper thermostat still no hot water. proper elec. going to unit.what could it be?


You need to take 1/2 hour to learn basics and then test water heater parts before replacing anything.
http://waterheatertimer.org/How-to-troubleshoot-electric-water-heater.html
Follow the troubleshooting steps, and it will tell you exactly where the problem is.
Otherwise we can guess at 20 different things.

Water heater is 240V because you have more than 1 element.
Did you test for 240V across top two screws of upper element?
Breaker can be tripped off on one leg and 120V arrives at water heater so heater looks like it has electricity, but circuit is not complete.

The problem can be loose wire, bad 240V circuit breaker, sediment reaching lower element, bad thermostat, bad upper element, tripped ECO reset button.

Did you replace factory insulation and cover over thermostats after replacing elements?
Did you vacuum out sediment when replacing lower element?

How long ago did you replace elements? If you turned power ON before tank was completely filled with water, then you burned out the element. If upper element is burned out, the tank has no hot water, even if lower element is good.
Test the upper element:
http://waterheatertimer.org/How-to-test-water-heater-element.html
See how a water heater works:
http://waterheatertimer.org/How-it-works.html

And finally, why so many folks write to fixya saying they replaced both elements and upper thermostat, but they never replace lower thermostat for another $6? I have been puzzled about that since lower thermostat turns on and off each time tank temperature drops and is responsible for keeping water warm during standby hours. Lower thermostat cycles more times than upper thermostat.

Add a comment if you need specific assistance with any of the testing steps.

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

1 Answer

I have a rheem 81VP2S Electric water heater it keeps tripping the circuit breaker. If I flip the breaker back on it will run for a bit then trip again. Or the breaker will trip If I I plug it in when it is...


Hi , when a breaker trips immediately, that can indicate a problem in the circuit. But the circuit stays on for a bit , then trips, so there is a problem with the heater. Could be that a thermoastat or heating element is shorted out. You can replace these items yourself, I would check the heat element first. Or there may be some corosion residue around the heater terminals.

Apr 02, 2010 | Rheem 81VP2S Point-of-Use Electric Water...

1 Answer

Trips breaker


If it trips the breaker you MUST have an Earth fault and or a short circuit to Neutral/Earth. You must get a Registered Electrician to look at it.

Feb 03, 2010 | Eemax SP80 8.0kW 277V

1 Answer

Circuit breaker trips on electric hot water heater circuit


Check the voltage at the water heater. Sounds like the element is burnt out and is tripping the breaker.

If it is more then 5 years old I would check.install a new heating element.

Mar 27, 2009 | RELIANCE ELECTRIC WATER HEATER

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