The solid copper fittings facilitate rapid installation and superior heat transfer during the brazing process

and industrial baths

Designed for belly band mounting

and X series units where maintaining specific airflow cubic centimeters per minute is critical for heat exchanger longevity and proper burner flame patterns

This is a stem-mounted gauge with a center back air connection

Trane SWT1696 Flow Switch 320788-704 The solid copper fittings facilitateIdentify 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)