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single throw (SPST) heating control designed to open the circuit on temperature rise
Ensures optimal airflow and system efficiency
it features an internal junction box and a thumb screw HV terminal for secure electrical connections in demanding commercial and industrial environments
The T-4000-3140 is designed for the T-4000 series
York S1-031-00254-700 Circuit Board 30067439-890 single throw (SPST) heating controlThe York S1 031 00254 700 Printed Circuit Board is a critical OEM replacement control board designed for high performance HVAC systems. This factory authorized part functions as the central logic controller, managing the precise timing and sequence of operation for furnace blowers, compressor contactors, and safety limit circuits. Built to meet rigorous factory specifications, the S1 031 00254 700 ensures seamless communication between the thermostat