Question about Rheem 81VP6S/430126 Water Heater

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I don't have hot water suddenly. Please help me.

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You posted under Rheem 81VP which is 6 gallon point of use electric water heater.
3 things can cause problems: Power going to water heater, thermostat with reset button, and 1500watt element.
Check that 120Volf circuit breaker is not tripped.
Open cover on side of tank and push in red reset button.

If reset button is not tripped out or will not reset, and water heater has power, then replace thermostat is best start point.

Also test element, since elements burn out:

Upvote the help.
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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.

Posted on May 19, 2011


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I replaced both thermostats and both elements in my 5 yr old water heater and I still don't have hot water. What else can I look for to fix?

Check that you are receiving 240Volt across top 2 screws on upper thermostat.
Copy following link for troubleshoot resources:


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I have a Rheem 120810BD hot water system and BCC won't pass the house cerification unless the hot water is a 4 star rating. Can anyone tell me if the system is 4 star rating? K

1) Call Rheem. I don't know the number outside the US.
2) Contact local plumbing supply and ask who sells the Rheem unit. Then call that dealer and inquire about rating.

Aug 29, 2011 | Rheem Water Heaters

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Rheem warrior glass serial num r0296b08705 model

You need to first determine if the burners light or not.

As long as the unit wasn't run with a dry tank the unit should not have been affected by continuous water running, unless it got hot enough to damage the thermocoupler which is an easy replacement. That is the part that your pilot/ignitor warms so that the gas valve will open the gas line to the burners.

Aug 12, 2011 | Rheem Single Water Heater Thermostat

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I have a 1991 40 gl and it fell through the floor which is like 2 ft off the ground. turned the water off and replaced the pipes it has its own lever type power supply with the screw in fuses 30 amp (2) of...

You have 2 problems with several possible causes:
You have 10-year-old electric water heater that was reinstalled after falling down, and doesn't heat the water.
And you have no hot or cold water pressure, and no pipes are leaking.

1) First problem is lack of water pressure throughout house.
Turn on outdoor spigot nearest to water meter.
This spigot will tell you if problem is inside the house or between the house and meter.
If spigot runs full force, then you probably have clogged pipe where water heater connects to main cold line, or the main shut off valve got clogged with sediment that broke off inside the pipe when you were working on water heater.
Open and close shut off valve to see if that helps. Then disassemble pipes and track back the problem. Put pressure gauge on water heater drain valve to watch pressure drop when turning on indoor faucet.
Read following information:

Water heater doesn't work:
Test across wires at top of heater to see if you are getting correct voltage:
If tank is receiving correct voltage, then no hot water puts suspicion on upper element or upper thermostat, or both.
Open following link for electric water heater troubleshoot steps:


1 Answer

I have a bosch system 21e it is, i was told to ignite the pilot light, can you tell me how this is done?

Consult your owners manual.
Heres a new one if you don't have or lost yours. You can't, you got bad advice. tankless system don't have a running pilot light. They operate by detecting water flow and then turning on. Many also state on the lighting instructions to NEVER try and manually light the pilot. Try Bosch tech support. Lowes sells Bosch heaters and they might be able to help you get the support number faster. Hope this helps but please don't go sticking a flame inside there.

May 16, 2011 | Bosch & Tankless LP Hot Water Heater

1 Answer

Water heater gets to hot blows valve how do you turn them down

Without model number I can't tell you specifically where they are but, it is all controlled by a thermostat. If it's manual light, the gas control has the thermostat built in as part of it, and if water is getting too hot, even with temperature turned down, replace gas control. There is a temperature lever on top that moves from side to side to adjust temperature. If it's electronic ignition, the thermostat and ECO should be visible below pressure relief valve when you open the cover. On the electronic models, the thermostat disc must be up against the tank properly to do it's job. If it's tight against the tank, and water heater still overheating, replace thermostat. One other thing to check would be incoming water pressure. If on city water connection and pressure is too high, it will also cause pressure relief valve to open prematurely, but if water is obviously too hot, that probably will not be the cause. Please remember, if work is required on the propane system, it should only be performed by a certified technician. Just this week alone, I've repaired 3 RV's that could have caught fire or worse, because they tried to do it themselves. Don't endanger yourself, your loved ones, or your friends and neighbors, to save a 1/2hr, labor charge.

May 08, 2011 | RTO Atwood Water Heater - 6 Gal LP

1 Answer

First had no hot water, no water coming out at faucetts at all

If you had to shut the entire house off to install, your main valve may have broken off. Common problem with cheap Home Depot gate valves. Check valve and see if it turns endlessly. If so, that's the problem. To get water back on you'll need to shut off at the meter. The stem assembly screws into the valve body. Carefully take a wrench and unscrew stem assembly from body. Once removed you will need a pair of needle nose pliers to remove gate assembly which broke off. Pull out gate, make take a little effort if water is hard in your area, may have to tap a few times with small hammer on bottom of valve to free it up. After removing gate, reassemble whats left of the stem assembly. Be careful with gasket, grease on threads helps. Tighten vice and snug. Note: Whenever you are working on piping, plumbing systems, always be aware of how you tighten and loosen things up. Back up what your removing with another wrench or channel locks. You don't want to snap something off and create more problems!

Now go back inside and open hot and cold water in tub. Make sure valve is on over water heater. DON'T PLUG IN OR TURN ON ELECTRIC WATER HEATER UNTIL YOU KNOW IT'S FULL.
Turn water back on at meter. Go inside and see if water is coming out.

Apr 24, 2011 | Rheem 40 GAL ELEC TALL Water Heater 6YR SC...

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