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Corrosion Resistance: Engineered to resist oxidation
ensuring a precise fit on square stems
and contactor coils
maintaining the correct airflow through the coil for consistent system performance
allowing for efficient opening while ensuring rapid closure when the pressure differential is lost
Trane SWT1999 Pressure Switch Els PW 17895 Corrosion Resistance: Engineered to resistThe Trane SWT1999 is a critical SPDT differential pressure switch engineered for precision monitoring in residential and commercial HVAC applications. As an OEM Trane replacement part, this single pole double throw switch maintains system safety by detecting pressure variances across heat exchangers and inducer assemblies. Operating on a 0. 43 PSI set point, the SWT1999 ensures the inducer motor establishes proper draft before ignition, effectively
