Quote:
Originally Posted by yevgenb
I wonder what will happens when controller fails? Thats a single point of failure.
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If heaters thermostat fail controller shuts them off..
If controller fails.. heater thermostat shuts them off..
two points of failure would be required to cause problems..
Typically I recommend setting the heater thermostats just slightly higher than the controller.. First so that they don't shut off before the controller tells them too and second so that if you check and see that the temp is a bit higher than it should be you know the controller failed..