Trane BRD3456 Circuit Board 321042-401 it simplifies HVAC sensor installation
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Description
Trane BRD3456 Circuit Board 321042 401 it simplifies HVAC sensor installation it simplifies HVAC sensor installation by eliminating the need for external power supplies or complex remote sensor wiring This relay introduces a precise 5 minute delay to protect high value system components from electrical stress and rapid cycling during power fluctuations or thermostat adjustments