Re: Electric Water Heater: Water Too Hot
I have had the same thing happen to me and replace mine myself being a Master Electrician.
Originally Posted by garcia5
What happens when they fail like you described is the thermostat sticks in the closed position (could have just replaced the thermostat) it keeps the element enegized and over heats the water. Then it trip the TPI opens up (pressure relief valve) and empties the water out the TPI. after it relieves the pressure it closes back and the process is repeated. What you see at the faucet is super heated water that can burn you. In reallity if the water heater is older it is best to replace the whole tank. I hope that helps explain what happends.