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Posted: 9/11/2013 4:11:33 AM EDT
Why does my water heater thermocouple keep failing?  Its a Whirlpool 40gal gas fired water heater and I'm replacing thermocouples on a monthly basis.  Just for fun, they always seem to go out in the middle of the night which means cold showers in the morning.
Link Posted: 9/11/2013 5:18:22 AM EDT
Thermocouples don't just fail after 1 month.  If anything, you have a weak solenoid in your gas valve and only the highest millivolt output can keep it open.
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