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No hot water

Hello, I have Rheem water heather model 55103100. Starting last night the hot water did not come out. I have check its electrical conenction and everything is OK. Is there anything I should check? This unit is brand new, we just install it on February.

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  • Dan Todd May 11, 2010

    Hi,



    When you turn on any faucet on the hot water side, does any water come out at all?



    And have you made sure nobody moved the thermostat?

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  • Master
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Is hot water present when opening the drain valve. Use a bucket to catch the water. Adjust thermostat from high to kow then prefered detting. Make sure hot water out line does not have a closed valve. If gas, ck pilot. If electric, elements may be damage if heater was powered up before or while initial filling.

Posted on May 15, 2009

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1 Answer

Runs out of hot water fast


Test elements, and if elements are good, replace both thermostats.
http://waterheatertimer.org/How-to-troubleshoot-electric-problems-with-water-heater.html

Rheem does not post service manuals.
If this is 3-phase balanced water heater, then information above is altered.
Otherwise parts are generic and testing steps are same

Mar 26, 2013 | Rheem ELD80 Commercial Electric Water...

1 Answer

I have an 80 gallon Rheem Hot water heater #81V80D A. In the last 5 days it stopped heating water after 6PM. I have hot water all day, but none at night. What do you suggest?


1) I bet the water heater has hot water, but hot does not arrive at tap because of bad faucet cartridge or bad recirculation system check valve
http://waterheatertimer.org/Crossover.html
http://waterheatertimer.org/How-to-troubleshoot-electric-problems-with-water-heater.html#crossover

2) When cold water arrives at tap, go check if water heater has hot water. Then do the crossover test. Then add comment and say what you discover

3) Electric water heaters can be repaired by homeowner using generic off-the-shelf parts from local hardware store.

Feb 18, 2013 | Rheem Water Heaters

1 Answer

Rheem 49 gal model 81V400B - hot water lasting only 5-10 minutes then takes an hour to heat back up.


Ordinary tank-type electric water heaters are fully repairable by homeowner.

A) Basic info on Rheem
Rheem electric water heater website:
http://www.rheem.com/products/tank_water_heaters/electric_water_heaters/
Find age of Rheem: look 2nd and 3rd digit of serial number, for example 06 is 2006

B) Water heater has some hot water.
That says certain things: upper element is working, water heater electricity is working, reset button is not tripped, and heater is not experiencing run-away overheating event.
http://waterheatertimer.org/How-it-works.html

C) That leaves 4 suspects that cause lower amount of hot water.

1) TP valve is running hot water out of tank -or- leaking faucet is running hot water out of tank.
Check for leaks
http://waterheatertimer.org/How-to-replace-TP-valve.html

2) Lower element is burned out.
Test lower element using inexpensive multi-meter from Home Depot.
http://waterheatertimer.org/How-to-test-water-heater-element.html
Replace element with same wattage shown on label, and clean out sediment:
http://waterheatertimer.org/How-to-clean-sediment-out-of-electric-water-heater.html
http://waterheatertimer.org/Clean-sediment-out-of-water-heater.html

2) Upper or lower thermostat is bad.
Replace both thermostats for about $25.
http://waterheatertimer.org/How-to-replace-thermostat-on-electric-water-heater.html

3) Burned or shorted wire located between upper and lower sections of tank.
Turn off power. Open covers on side of tank. Remove insulation. Inspect parts for signs of high heat and burning. Especially check lower element. Tighten any loose wires. Replace part that shows signs of burning.
Put insulation and cover back over thermostats so cooler outside temperature doesn't cause thermostat to misread tank temperature.
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.

Feb 03, 2011 | Rheem 40 GAL ELEC TALL Water Heater 6YR SC...

1 Answer

HOT WATER LAST NIGHT BUT LUKE WARM THIS EVENING? IS IT AN ELEMENT:


I assume you have electric water heater.
If tank has 2 elements, then it is 240V
If you have Rheem, then elements are 4500 watt.
Check label on side of tank for particulars.
Rheem: second two digits on serial number correspond to year of manufacture.

Ordinary tank type water heater is fully repairable by homeowner using generic parts from hardware or home center.

If you have some hot water, then that says several things:
-Upper element is working.
-Electricity from circuit breaker to upper thermostat is good.
-ECO reset button is not tripped.
-You do not have overheating event.
-Access doors and insulation are in place and thermostat not exposed to cool temperature.

That leaves following suspects:
1) Check if TP valve is stuck open and running all your hot water down a drain.
http://waterheatertimer.org/How-to-replace-TP-valve.html

2) Upper or lower thermostat is bad.
Replace both thermostats for $28
http://waterheatertimer.org/How-to-replace-thermostat-on-electric-water-heater.html

3) Lower element is bad -and- maybe tank has built-up sediment
http://waterheatertimer.org/How-to-test-water-heater-element.html
http://waterheatertimer.org/How-to-replace-water-heater-element.html

4) Wire is loose inside tank. Open covers and inspect. Tighten screws very tight against copper wire.

5) Bad wire between upper and lower sections of tank.
Do complete 30 minute troubleshoot before replacing any parts.
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 water heater.
We are always less expensive than a service call.

Jan 14, 2011 | Rheem Water Heaters

1 Answer

Rheem RHEEM 50 GAL ELEC TALL Water Heater 1.5 yrs old, power at the elements, new elements installed new thermostat installed, still no hot water.


Hello Check the red overtemp reset button at the temp control.Check for contintuity at the elements with a volt meter (pull one wire off first) they should have a reading otherwise they are open & shot.Last is overdrawing (busted pipe) shut off the cold water supply for a 1/2 hour and open it back up and feel the hot water supply pipe.Is it hot?The tank can't keep up with the demand.

Sep 16, 2010 | Rheem 50 GAL ELEC TALL Water Heater 6YR SC...

1 Answer

Too hot wather/ thermostat problem


its 3 phase not 4 Your wired wrong one of those should be a nuetral or ground

May 10, 2010 | Rheem 40 GAL ELEC TALL Water Heater 6YR SC...

1 Answer

Our electric water heater doesn't work.


make sure it is wired correctly, check circuit breaker, check breaker built on to element. If all fails, and it is determined your not getting power to it, you may need a electrician. Be careful. good luck.
Steve

Oct 11, 2009 | Rheem 65 GAL ELEC Water Heater 6YR Self...

1 Answer

No hot water


If you checked the reset, then the next thing to check would be the breaker in your breaker box. If that doesnt work start checking the elements. The reset, the thermostat and the elements are pretty much all that can go wrong with an electric water heater, short of a leaky tank or faulty t&p valve. Hope this helps.

Sep 24, 2009 | Rheem 40 GAL ELEC TALL Water Heater 6YR SC...

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