
When I received this I quickly realized that it was not suitable for my application. I needed a temperature sensor that would turn on the cooling unit at the set temperature. It doesn't. There is no power relay. Rather, another signal is to be sent to the HVAC unit, which turns on when the signal is received. For direct replacement applications in preinstalled HVAC RV systems, this obviously works. The description on Revain should be clearer.

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