Question about Rheem 50 GAL ELEC TALL Water Heater 6YR SC 82V522

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Re: Rheem Water Heater Model# 82V52-2 (date of Mfg 07/2007) A few months after an installer replaced our old water heater, we had an event one day where there was no hot water. The installer advised how to remove the top plate and hit the reset button to have the heater begin working again. Over the following months, we had the same problem on a sporadic basis. There were periods of months and/or weeks before the problem would happen again. It would not matter the time of the year or whether it was during the day or night. Recently, the events with no hot water have become more frequent (Usually, during shower time in the morning) Appreciate any comments if there is a solution. Thank You

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There is a solution.
Ordinary tank-type electric water heaters are fully repairable by homeowner.

You have a new heater that works fine most of the time, but reset button trips.
That says tank is getting correct electricity.
It says that elements are good.
And you don't have sediment problem with new tank.

If you do not want to test parts, then replace upper and lower thermostats for $28.
The reason I suspect defective thermostat is that tank has 4 parts: 2 elements and 2 thermostats, and you have plenty of hot water so elements are probably good.
The reason I replace both thermostats is to avoid uncertainty.
Tighten screws very tight against copper wire.
Be sure to put back insulation and covers on water heater so thermostats not exposed to cool air which can lead to overheated water.
Then send bill for $28, plus labor and aggravation to Rheem
Your plumber should have done this for you as part of warranty, but sometimes self-sufficiency is valuable.

If you want to test water heater parts before replacing anything, then buy multimeter and take 30 minutes to become electric water heater expert:
Buy cheap multimeter at home center.
When testing continuity or testing elements, rotate multimeter dial to Ohms.
When testing for voltage,, rotate multimeter dial to 240-250-277 VAC

You can also double check anything fixya or plumber tells you by posting question on professional water heater forum like the Tank:

Posted on Jan 02, 2011


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Posted on Jan 02, 2017


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Here's a good video on how to test the heating elements.

To check the reset button.

To check the thermostat.

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Access your product manual.
I cannot find a product manual.
Some major company, like Rheem, makes this computer that heats water.

Call service technician to repair the unit.
Copy following link for overview of type of problems found with tankless computers.
For example tankless computers require continual maintenance on yearly and monthly basis to prolong expected life of product.

If tankless computer is older than 5 years, then assume it is like your 5-year old laptop computer.

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Replacing a rheem power vent water heater

1) Avoid Rheem.

2) Maintain water heater. Pay yourself 10$ a month in future replacement costs.

3) Read product manual for power vent specifications.
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Model #22v30FN serial# rhu08898u6983 mfg date 20 aug 2009 waterheater won,t light (installed sept 2009)

Gas water heaters are a huge field:
More information is needed for correct do-it-yourself answer. Add a comment and include what steps you have taken and what you observed at the pilot light. Include description of gas control valve.
The combustion parts may need to be cleaned, the thermoscouple could be bad, misaligned thermocouple, the system locked out from FV flammable vapor event, or overheating caused ECO energy-cut-off to trip, or air in gas line, low gas pressure, or dirty air intake, bad venting, improper venting, bad gas control valve, negative pressure, tight house, lack of combustion air, hot attic, exposure to chemicals in air, rusted parts, etc.

Add a comment any time.
Or contact Rheem at 1-800-432-8373
Or continue reading to find correct resource:

You have Rheem 30 gallon ultra low-nox gas water heater.
Knowing the gas valve is necessary for troubleshooting.
The 40 and 50 gallon version of this water heater have electronic self-diagnostic gas valve as shown on following link.
Open following link to identify gas valve, then add a comment and describe which gas valve you have.

Open following link for general do-it-yourself resources, with reading resources, service manuals, images that illustrate cleaning and different gas water heater parts

Add a comment for more help.

Take a moment and rate answer for accuracy:
And 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.

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My rheem 50 gal water heater model 81mv52d keeps tripping the breaker, what do i need to do to stop this

Check all wiring at water heater and possible upper thermostat is bad, and in need of replacement.

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1 Answer

Cannot light pilot on 4 year old heater rheem tells me part not available in supply house is this right part i need isvile that is broken below pilot light

I can't tell if you have tankless or tank heater.
Rheem has gone big into tankless the last few years and maybe first models don't have parts any more.

Even so, Rheen probably sells the whole burner assembly.
Most plumbers prefer to replace whole assembly so they're not doing a call-back next month.
Check with Rheem for whole assembly.

Another option is to roll the Rheem heater out of the way and install generic brand from Ace, Home Depot, Sears, or Lowes. Read manual cover to cover to prevent failure. Keep dust, lint and chemicals out of same room. Loosen anode rod before installing. Connect ground wire jumper to hot and cold pipes.
Fix the Rheem when parts become available, or use it as tempering tank to passively preheat incoming cold water, or set tank in wood box with glass cover and make passive solar tank.

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1 Answer

Pvs50- will not ignite the gas

Some of these units can not be reset and you have to replace the water heater. You will need to contact Rheem with your model number to find out what you can do for your unit. Here is the information you will need when you call them. They have an 800 number available for you.

1. Should you have any questions about your new water heater, or if it requires
adjustment, repair, or routine maintenance, it is suggested that you first contact
your installer, plumbing contractor or previously agreed upon service agency. In
the event the firm has moved, or is unavailable, refer to the telephone directory,
commercial listings or local utility for qualified service assistance.
2. Should your problem not be solved to your complete satisfaction, you should
then contact the Manufacturer’s National Service Department at the following
2600 Gunter Park Drive East
Montgomery, Alabama 36109-1413
Phone: 1-800-432-8373.
When contacting the manufacturer, the following information will be requested:
a. Model and serial number of the water heater as shown on the rating plate attached
to the jacket of the heater.
b. Address where the water heater is located and physical location.
c. Name and address of installer and any service agency who performed service on
the water heater.
d. Date of original installation and dates any service work was performed.
e. Details of the problems as you can best describe them.
f. List of people, with dates, who have been contacted regarding your problem.

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