Trane BRD02102 Power Supply Board (X13110756-02) – Genuine OEM replacement board for Trane CH530/TD7 chiller systems. Converts 27 VAC to 24 VDC. Used in CCAF, CDHF, and similar units.

The Trane BRD04875 Dual Analog I/O Board provides two configurable analog inputs/outputs (e.g., 4–20 mA or 0–10 V) for connecting sensors or external devices, enabling precise control in Trane chillers and HVAC systems

Trane BRD04876 is a brand-new OEM Dual Triac Output Board designed to provide two high-power AC switching channels for controlling HVAC components such as fans and pumps in commercial chillers.

The Trane BRD04879 is a brand-new OEM Quad Relay Output Board with a pluggable terminal connector. It provides reliable switching for up to four high-voltage circuits—compressors, pumps, fans—within Trane chillers and HVAC equipment.