Trane SWT3971 Pressure Switch 340155-7026 ) contact configuration

) contact configuration

Does this armored capillary include a Schrader valve depressor

ensuring reliable signal transmission to the boiler control modules

This 120V silicon carbide furnace igniter is designed to replace aging or cracked ignition components in residential and light commercial Trane and American Standard units

Trane SWT3971 Pressure Switch 340155-7026 ) contact configurationThe 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