Always inspect the mating surface and replace the gasket during installation to ensure a gas-tight seal

Complete Assembly Kit: Includes a cover gasket

eliminating the need for additional contactors in many circuits

separate pilot burner and flame sensor configurations

Trane BRD5770 Board 319825-402 Always inspect the mating surfaceThe Trane BRD5770 Board is a specialized OEM HVAC control board engineered for high performance regulation in specific Trane and American Standard climate systems. As a veteran grade printed circuit board (PCB), this unit functions as the primary command center, orchestrating the system communication between thermostats, blower motors, and secondary sensors. If you're dealing with erratic fan cycles or a complete system lockout, verifying the