What would cause a mobile home electric water heater to quit working for weeks and then suddenly start working again. It slowly stopped giving hot water and the floor outside the closet its in was wet.
It’s obviously leaking. If Liner is leaking replace heater. If piping is leaking, replace leaking pipe.
Thank you for the reply. I just found it odd that we went from no hot water, at all, for weeks to all of a sudden we have hot water again. That seems really strange to me.
Replace the heater. It probably has a short
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SOURCE: A.O. Smith Water Heater Problems
ok here is how a heater works - there is a high setting cut out and a low settin cut out. The cycle is as follows. The water heater first heats to a preset temperature , say 120 degress. You draw water and the temp in the tank drops to say 90 degrees at which point it fires again- sensing that if it doesn't you will run out of water.I think that this setting has been set too low to say 75 degrees and you get cooler water because the heater cannot catch up. You must find this control in book at set the differential to twenty degress.This will stop you from running out of hot water.Just for the record less reputable companies will do this on purpose over a coulpe visits adn tell you the heater is failing and must be replaced. Get a book. In the mean time I need your model # so I can find this setting for you.Wait to hear from you. Allen
SOURCE: Rheem 50 gallon gas water heater less than one
it could also be the dip tube. this is a tube that is installed at the time the unit is made.it is a plastic tube that is on the cold intake side of the hot water heater.it may have fallen inside the unit or may not be in the unit at all check to see if there is a plastic tube this will help the heater stay hotter for a longer period of time. good luck with your project.
SOURCE: 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
SOURCE: I have a Rheem Warrior Glass water heater for a
Probably a 40 gallon one ... if it's electric you probably have a burned out element. (easily replaced)
SOURCE: I have a problem with my Rinnai hot water heater
We had the same problem - the hot water would only be hot for 3 -5 minutes and shut off, then we had to turn the water off, wait a few minutes, and do it again. VERY FRUSTRATING.
Solution: The Rinnai serviceman showed me the heat-exchanger blower/fan: It was clogged with dust and moths.
Another clue: Our Rinnai was extremely noisy when the heat came on. After the fan was cleaned and replaced, it is nearly silent.
If you are reasonably mechanically inclined:
TURN THE BREAKER / POWER OFF to the unit.
The blower-fan is located in the lower central area of the unit (at least on our unit). If you draw imaginary north-south, east-west lines through the center of the unit, the fan is in the lower-left quadrant. There is a spring clamp securing the black rubber accordian-like tube to the fan. There are two screws that secure the fan to the unit. there are two plugs that connect to the fan, as well as a third air-flow sensor that should be removed. then you can look at the fan unit, as well as the grill on the underside of the heat-exchanger that should be cleaned.
My thought was to go out and get a simple bug-screen, and place it over the air-input outlet vent going outside, but the repair guy said that although it may sound good, if that screen ever gets clogged, or reduces airflow to the Rinnai, then the unit will work harder, or even shut off, giving the same problem.
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