Manage My Life

Water heater hot then cold

by Manage My Life Last activity date:
September 17th, 2011

I have an 85 gallon Marathon high-efficiency electric water heater--domestic water only. Lately we are getting very hot water for a few minutes but then the water goes cold. No matter how long we run it at this time it won't get hot again. If we come back later, same thing happens-- very hot water for 5 minutes or so , then starts to cool down and then cold.
No other appliances are running-- no dishwasher, washing machine ( we wash cold anyway ) , nothing else drawing domestic hot water.
Any ideas?

Dishwashers , Building Supplies
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Answers (8)
Manage My Life
Not having hot water when it is needed can be upsetting. While you wait for the expert to review your unit if you would like to check some general troubleshooting information I attached to the links below.
Answered in 16 minutes
by Manage My Life
September 17th, 2011
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