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My water heater model 81v40d not heating. I do not see any leaks.

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Change the heating element. It must have shorted or burnt out.

Posted on May 28, 2011

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Rheem 81v40d


Copy following links to identify and troubleshoot leaking water heater:
http://waterheatertimer.org/Leaking-water-heater.html
http://waterheatertimer.org/How-to-install-gas-water-heater.html
When tank rusts out, it will get pin holes, and water will leak out of top.
Replace water heater.
http://waterheatertimer.org/How-to-maintain-water-heater.html
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May 11, 2013 | Rheem Water Heaters

1 Answer

Water temp stays at 160 degrees


Specific type of water heater does not show on web search.
I am guessing you have tank-type electric water heater.
Did you replace both thermostats and test elements?
Element could be cracked, thermostats can stick open, upper thermostat wired incorrectly, wire shorted.
We know that electric power to water heater is good, and circuit breaker is good.
Why is eco is not tripping? Why is TP valve is not leaking?
Copy following links for step-by-step:
http://waterheatertimer.org/How-to-replace-thermostat-on-electric-water-heater.html
http://waterheatertimer.org/How-to-test-water-heater-element.html
http://waterheatertimer.org/How-to-troubleshoot-electric-problems-with-water-heater.html

Jul 21, 2012 | Rheem Water Heaters

1 Answer

How many elements does the Rheem 81v40d have and where can I buy replacements? Thank you


I don't know how much they are, but you can buy replacement parts on amazon, here: Amazon com 81v40d replacement I hope this was helpful. Have a nice day

Jun 29, 2011 | Rheem Water Heaters

1 Answer

What years were the Rheem 81v40d produced?


You can find age of water heater from serial number located on label on side of tank.
Label also shows tank size, and tank wattage and element wattage

http://waterheatertimer.org/Figure-Volts-Amps-Watts-for-water-heater.html
http://waterheatertimer.org/Water-at-bottom-of-water-heater.html

Serial number decoder:
http://waterheatertimer.org/pdf/WaterHeaterSerialNumberDecoder.pdf
For example Rheem serial number 0790...
First 2 digits are month 07 July
Next two digits are year 1990

Rheem site does not show 81v40d
http://www.rheem.com/products/tank_water_heaters/electric_water_heaters/

Dec 26, 2010 | Rheem 65 GAL ELEC Water Heater 6YR Self...

1 Answer

I need to adjust water temperature, and dont have a manual. i have a 81v40d C model , 40 gal electric.


Hi,

Here is a tip that I wrote to help people understand how to adjust the temperature on their electric hot water heater.

Electric Hot Water Heater Temperature Adjustment
heatman101

Oct 16, 2010 | Rheem 40 GAL ELEC TALL Water Heater 6YR SC...

3 Answers

LLD125 pool heater leaking water from inside


My heat exchanger was cracked. I found an old welder who knew how to weld the cracks for $100 vs $900 for a new exchanger,. Also ordered replacement seals for the 2 chambers. I used high temp automotive engine sealant as an additional sealant precaution. Also inspected tubes and cleaned corrosion. Works fine last 3 years. Takes some mechanical skills.

May 18, 2010 | Teledyne Laars Laars Lite 2 Pool Heater...

1 Answer

Hayward Model H250IDL is leaking water from drain valve.


Water leaking from the heater is not a good sign. This is an indication of a leaking heat exhanger. The heat exchanger will have to be replaced and the part is made of copper. It is very expensive, depending on the age, you may just want to replace the entire heater. Exchangers usually leak due to bad water chemistry.

May 09, 2010 | Hayward H Series Pool & Spa Heater 400k...

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