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We have a rheem electric hot water system which is suddenly not producing hot water. We have checked the electricity supply, the valve and both these were OK. We are at a loss to explain why this is happening

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You need to check in your power board if you have a Ripple Control Reciever .
If you do have one and a green light is flashing and it is turned off you need to call your power provider to come and reset it for you . This should be a free charge.

Posted on Oct 06, 2008

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The heating elements in these units fail eventually, fora number of reasons. The way I have checked them is to (carefully) check the voltage acrooss the heating element. If you get 220 volts, but no hot water, the problem has been isolated to a faulty heating element, which is not difficult to replace, after you drain the tank. And never power up the unit without the tank being full. The heating element will burn out almost immediately. Good luck!

Posted on Jul 23, 2008

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Electric water heater are designed with two elements for heating the water. The upper element is what is called the quick recovery element which is control by a thermostat. The thermostat has a reset button that will open in an over temperature situation. If the reset is NOT tripped it is possible that the upper element or thermostat has failed. Until the upper element is satisfied ( up to set temperature) the lower element does not get any power through the circuit.

Posted on Jul 23, 2008

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Posted on Jan 02, 2017

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1 Answer

Pressure relief valve intermittent noise


check your water pressure and then make sure it is not to high or all the problems you have had were not the answer. it is a pressure /temperature valve not just . temp.

Apr 06, 2014 | RHEEM 40 GAL ELEC Water Heater 6YR SC...

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Relief valve buzzing noise


Add an extrol expansion tank to the piping. You can get one for about thirty dollars from the hardware store.

Apr 06, 2014 | Rheem 82V40-2 Fury Electric Residential...

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Stop producing hot water ,want can be the issue


What type heater:

1) Electric: press reset button located under front cover, check circuit breaker:
http://waterheatertimer.org/How-to-troubleshoot-electric-problems-with-water-heater.html

2) Gas: clean air intake, call for service:
http://waterheatertimer.org/How-to-troubleshoot-gas-water-heater.html

3) Tankless. Throw it away and install tank-type.
http://waterheatertimer.org/Troubleshoot-Rheem-Tankless-water-heater.html
http://waterheatertimer.org/How-to-install-gas-water-heater.html

4) Add a comment with more information about your heater.

Mar 17, 2013 | Rheem Water Heaters

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

Energy factor rating


Rheem 50 gallon Pro52-2 has EF .95, which makes it ordinary 240Volt 4500 watt non-simultaneous electric water heater that produces about 21 gallons hot water per hour, with 67 gallon first hour delivery.
Recommend 80 gallon per hour first hour for oversized bathtub.
http://bostonheatingsupply.com/Rheem/Rheem%20Residential%20Electric/Professional/Rheem_ResidentialElectric_Professional%20Spec%20Sheet.pdf

Maintain electric water heater and it will last indefinitely.
http://waterheatertimer.org/How-to-maintain-water-heater.html
http://waterheatertimer.org/9-ways-to-save-with-water-heater.html

Anode rod is located on top in separate port.
Anode keeps tank from rusting.

Year of Rheem water heater manufacture shows 3rd and 4th digit of serial number.

Nov 25, 2012 | Water Heaters

1 Answer

Water heater does not produce as much hot water as it use to. Could it be, that one of the heating coils is out. If so is ther a reset switch? Before I have someone check the coils.


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

A) Rheem electric water heater website:
http://www.rheem.com/products/tank_water_heaters/electric_water_heaters/
Find age of Rheem: look 3rd and 4th 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.

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 11, 2011 | Rheem 40 GAL ELEC TALL Water Heater 6YR SC...

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

Pop off valve dripping Rheem 50 gal electric valve at bottom


If you are reffering to the drain valve at the bottom of the hot water tank. It may be leaking due to the O ring being cracked or worn out. You can either drain the tank and replace the valve or you can buy a hosebib brass cap and thread it on the existing valve. There is no cause for alarm when doing this as this valve is just to drain the tank when replacing your hot water heater

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

1 Answer

6 yr old electric rheem fury 50 gallon all of a sudden runs out of hot water. Only one shower of hot water now where before atleast two.


you have a couple things that may cause this. you may have a bad element a bad thermastat a tripped eco (emergency cut off ) or problem with electric suppling heater.if you have no electric backround or training you should call a pro

Mar 25, 2009 | Rheem 50 GAL ELEC TALL Water Heater 6YR SC...

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