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Match voltage to water heater: This electric water heater, like all electric water heaters, will work on 120Volt, 208-240Volt or 3-phase unbalanced. But wire size and breaker must match element wattage. If you have outlet, check the wire size and breaker, and check what other devices are drawing power from same circuit, then add up total watts and compare with charts on link below. http://waterheatertimer.org/Color-codewire.html#water-heater
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If the heater is more then a few years old the heat exchanger is probably corroded. Air flow from the blower motor can't squeeze thru the exchanger fins and causes loud vibrations. It can sometimes be cleaned but usually requires replacement of the heat exchanger. If you are not familiar you should definitely have a professional sevice the unit. Continued use in its current state can cause many other issues. Be prepared because the heat exchanger is the most expensive part of the heater and the most difficult to replace
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Dear Julie.
Do you have an expansion tank installed?
If so it is probably waterlogged.
If you come home shower etc. use lots hot water then go to bed or leave the cold water in your tank heats and expands as it heats. In the old days a toilet ballcock valve would relieve this pressure but modern toilets with diaphragm valves wont so the pt valve relieves pressure.
Installing an expansion tank on the cold water line near the heater will absorb the extra water & stop the pt valve from activating.
Hi,
You are right you definetly have some issues there and it would seem that the "short" either messed with the brain of your heater or the critter is wired wrong.
To be totally honest for me to sit at a computer and try to assume what exactly went wrong would be totally unprofessional.
If you were my customer I would be telling you to call me the next time it acted up and let it in that state so that I could come and do some testing ti figure what the problem is... Once you reset the rpoblem goes away and I am out o luck to find it.
See if you can find someone that will come and treouble shoot that thing while it is in the failed state, that will let you know for sure hwat the issue is.
I hope that this will help you to solve your problem!
Th epproblem you are most likely have is from a safety called a flag switch usually located either in the blower or right past it. When you unplug and replug you reset the switch. Sequence of events.
1 fan comes on.
2 switch is made from the airflow of the fan.
3 ignitor come on
4. main gas valve opens and ignitor starts flame.
You are being stopped at step 2 when the fan does not move with the air. This shuts off and out the water heater from calling again. Find the fan switch and make sure it moves easily. They get dirty and also dry from lack of lube.
Good luck.
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