Rheem water heater heater 81V40D

SOURCE: what years were the Rheem

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/

SOURCE: Rheem water heater turns off by its self

Flashing code 76 is lost communication between the remote and the burner control assembly CCA (circuit card assembly). The CCA is still under warranty if purchased within the last 3 yrs. Contact Rheem customer service and have your Mod. and S/N available....explain to the agent you are recieving - flashing code 76...they'll walk you through the process.

Allen Neal

• 359 Answers
• Posted on Jan 05, 2010

SOURCE: My rheem water heater doesn't seem to be heating

try setting the bottom 10 degrees hoter than the top could be in short cycle (thatis the bottom calls for heat on the bottom element and set too close so goes back to top and cycles off

SOURCE: We have an older Rheem Fury (gas) water heater and

Hi I would try changing the thermocouple

SOURCE: rheem electic water heater model 81v52s. switch

Hi,
It may or may not... if not then check the reset...

Check out this tip...

http://www.fixya.com/support/r4654730-electric_water_heater_not_working

heatman101