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The Belimo S1A Auxiliary Switch provides reliable end-stop signaling and interface capability for an extensive range of non-spring return actuators
Which leads are used for the switch circuit
Specifically designed for 220V systems
OEM Precision: Calibrated to exact factory set-points for accurate static pressure monitoring
Reliable Coil Operation: Standard 24V control circuit compatibility ensures seamless integration with most low-voltage thermostats and control boards
Trane CNT4320 Pressure Control Els PW 17895 The Belimo S1A Auxiliary SwitchField technicians looking for a reliable Trane CNT4320 pressure switch replacement will find this OEM component essential for maintaining correct draft and combustion airflow. The Trane CNT4320 Pressure Control is a single pole single throw (SPST) differential switch engineered to monitor critical pressure thresholds in residential and commercial HVAC systems. This snap acting pressure control is calibrated to open at 0. 15" WC and close at 3. 0" WC,
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