Trane SWT3971 Pressure Switch R-407C minimizing vibration stress on the

minimizing vibration stress on the piping

this proportional control valve integrates seamlessly into existing building automation systems

Common Questions Can this valve be used on the liquid line

While factory-calibrated

helping to lower energy consumption

Trane SWT3971 Pressure Switch R-407C minimizing vibration stress on theThe Trane SWT3971 Pressure Switch is an essential safety component engineered for induction monitoring in high efficiency Trane and American Standard furnaces. This SPST pressure switch (Single Pole Single Throw) is factory calibrated at a 1. 00" W. C. set point to ensure the inducer motor maintains the precise vacuum required for safe combustion and flue gas venting. As a 28VA pilot duty component, the SWT03971 effectively prevents the ignition cycle