My rheem 81sv40d water heater quit heating water. no water leak. i tried to reset it from the power but nothing. It is 10 years old. What is wrong?
I have the same problem about every 3-4 months. Mine is also about 10 or 11. It is usually the sediment at the bottom that causes this. Once the plumber flushes it, it works again. My problem is that I dont know how he did it and the vavle is at the floor level. I am never home when it is repaired. Regular maintenance (flushing) is how you avoid this from reoccurring. That is, if that is the cause of your issue.
It sounds to me like the heater elements are shot or covered to thickly with calcium to function correctly
SOURCE: Rheem RHEEM 50 GAL ELEC TALL Water Heater 1.5 yrs
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.
SOURCE: MY Rheem 81SV40D Water Heater (47 gal) does not heat enough water. Approximately one bath worth.
You have dual-element 240Volt electric water heater.
Since you have some hot water, then we know upper element is good, and that circuit breaker and electricity to water heater are good.
Not enough hot water is probably bad lower element, and possibly sediment build-up in bottom of tank.
Test element:
http://waterheatertimer.org/How-to-test-water-heater-element.html
Replace 4500 watt element available at local hardware, and clean out bottom of tank:
http://waterheatertimer.org/How-to-replace-water-heater-element.html
If you need further help, I’m available over the phone at https://www.6ya.com/expert/gene_9f0ef4df2f9897e7
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