Numerous lines of defense for temperature control.

[ElliotNess]

Okay, I'm okay with that. However, I will be honest, I have no idea how to do that. It's an experience I lack and am not sure how to relate with experiences and knowledge I have. Can you explain the wiring in that?

Heat source plugged into "Thermostat #1" set to "92 degrees"
"Thermostat #1" plugged into "Thermostat #2" with "Thermostat #2" set to "95 degrees"
Both sensors on the same heat source....

That's it.. If #1 fails then #2 will shut off when it temps out...


That's redundant...