and Richmond water heaters

Universal Application: Compatible with POE

maintaining the correct friction coefficient for pneumatic and electric actuators alike

As a direct-replacement ICM fan control board

though extra units may be needed for specialized rail systems

Trane CNT2938 Defrost Board R-410A and Richmond water heatersThe Trane CNT2938 Defrost Board (also identified as CNT02938) is a critical 24V microprocessor based control designed specifically for Trane and American Standard heat pump systems. Field technicians recognize this as the primary logic center for managing defrost cycles, preventing excessive ice buildup on the outdoor coil during low ambient operation. Unlike generic timers, this OEM Trane replacement part utilizes both ambient and coil temperature