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System Integration: Native RS-485 Modbus and 4-20mA current loop compatibility for effortless pairing with 301EM controllers and BAS networks
Using it with different refrigerants will lead to inaccurate superheat control and potential system instability
High-Pressure Certification: CSA certified for use with 5 psi natural gas and 2 psi LP gas systems when paired with compatible 325 series units
Designed to maintain the hydraulic integrity of your system
Trane SWT3018 Pressure Switch 318973-401 System Integration: Native RS-485 ModbusFor field techs managing low pressure protection in commercial and residential systems, the Trane SWT3018 Pressure Switch (cross referenced as SWT03018) is a critical OEM safety component. This SPST normally open pressure switch is engineered to monitor system conditions and prevent compressor damage due to refrigerant loss or extreme temperature drops. It features a precise 25 PSI open setpoint and a 41 PSI close (reset) point, making it standard for
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