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restricted heat exchanger
Safety Interrupter: Integrated pressure-sensitive safety device prevents case rupture under fault conditions
Internal 10K Ohm Sensitivity: Optimized for municipal water and general-purpose conductivity sensing
as well as electronic direct-coupled linkages
the windings are encapsulated to provide superior protection against the shock and vibration common in heavy-duty commercial refrigeration systems
Trane SWT1696 Flow Switch 321042-401 restricted heat exchangerIdentify and replace faulty temperature sensitive safety components with the Trane SWT1696, a high precision Reverse Flow Switch engineered for specific furnace and air handler applications. This genuine OEM Trane replacement part is essential for monitoring airflow direction and preventing unsafe operation during reverse flow conditions. Designed for tight tolerances, the SWT1696 features an operational temperature rating where it opens at 140F (60C)
