Trane SWT1696 Flow Switch 321894-708 this is a mechanical adapter

this is a mechanical adapter kit intended to provide the threaded interface required to attach standard conduit fittings to the actuator base

Thermal Reliability: Constructed with high-grade insulation materials to withstand the high ambient temperatures found in rooftop units and mechanical rooms

which can lead to motor burnout or insufficient airflow across the heat exchanger

protecting the condenser motor bearings and reducing acoustic output during operation

Trane SWT1696 Flow Switch 321894-708 this is a mechanical adapterIdentify 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)