Buy CONTROLLER SR3 BOARD INTERFACE mother board Online

The SR3 Controller Board Interface is a critical component in Thermo King’s refrigeration systems, serving as the main control board (motherboard) that manages the unit’s operations, including temperature regulation, diagnostics, and communication with other components like the HMI (Human-Machine Interface) control panel. It is often referred to by part numbers such as 845-2739 or 45-2725 for used units and 845-2721 for specific models.

Key Details

•  Compatibility: The SR3 board is compatible with various Thermo King models, including:

•  SLX series (SLX 100, 200, 300, 400, Spectrum, Whisper Pro)

•  T-series (T-680, T-880, T-1080, T-1200)

•  SB-series (SB-230, SB-330)

•  Condition and Availability:

•  Used boards (e.g., part number 845-2739 or 45-2725) are available on platforms like eBay, described as being in “perfect condition” despite prior use. Prices for used boards are around $1,799.

•  New SR3 Controller Boards (e.g., part number 845-2739 or 45-2725) are available on Amazon, sold as new and in-box.

•  Another part number, 845-2721, is listed for specific models like T-680, T-880, T-1080, T-1200, SB-230, and SB-330, priced at approximately $2,000.

•  Functionality: The SR3 board interfaces with the Thermo King Blue Diagnostic Tool (Revision 4.0.0) for testing and diagnostics. It supports CAN communication and is essential for ensuring proper operation of the refrigeration unit. Failure symptoms must be detailed when submitting warranty claims, and diagnostic test results are required for SR-2 and SR-3 boards.

•  Suppliers:

•  FrigoKit: Specializes in transport refrigeration spare parts, offering both original and aftermarket SR3 boards with worldwide shipping via FedEx or TNT (delivery in 4–12 days).

•  MCP Corp: Supplies SR3 boards compatible with Thermo King units like SL300, SL400, and SLX/SLXe models.