Trane SWT2521 Pressure Switch SPST 0.94" WC Barb Connection

The Trane SWT2521 is a Pressure Switch, Single Pole Single Throw, which is used in HVAC systems. Schmeing again noted that it functions by detecting alterations in the pressure of air in the system. When the pressure gets to a certain level, the switch turns on a control circuit or turns on a control circuit. This can cause various actions including but not limited to, switching on a fan, opening a damper, or sounding an alarm. It has a 0.94 Water Column working pressure and comes with a barb connection for the convenience of fitting. It is used in such areas as fan pressure control, filter monitoring, and system diagnostics. Advantages are stable work, compact dimensions, and ease of installation and servicing.