Trane CNT3783 Limit Switch 340155-7024 including model series like the

including model series like the BP240E54S4AAA1

or specific control board error codes indicating a "pressure switch stuck open" or "pressure switch stuck closed" fault

reliable solution for independent temperature control

This infrastructure is essential for hydronic heating systems and commercial boilers

this hermetic scroll delivers a nominal 250

Trane CNT3783 Limit Switch 340155-7024 including model series like theThe Trane CNT3783 Limit Switch is a critical safety component engineered for precise thermal management in high demand furnace and air handler applications. As an OEM Trane replacement part, this SPST (Single Pole Single Throw) device operates on a Normally Closed (N C) circuit, designed to interrupt electrical flow immediately when the system achieves its setpoint. Calibrated with a 220F opening temperature, it serves as a primary high limit defense