Thermo King SR2 Primary Controller Board 452302 / 45-2302

$555.60

Official OEM Thermo King parts catalog entry for the Thermo King Board, Controller SR2 (452302 / OEM 45-2302), verified by PEAK Thermo King and West Texas Thermo King Texas, Utah, Wyoming, Washington, Oregon, serving all of the USA.

Built for Performance: The Thermo King Board, Controller SR2 delivers OEM-grade control for Thermo King refrigeration systems, ensuring precise temperature control, reliable diagnostics, and consistent operation across transport refrigeration applications. This controller supports uptime-driven fleets and maximizes return on equipment investment.

Product Overview

Thermo King refrigeration system control logic runs on the Board, Controller SR2 to manage sensors, actuators, and operator inputs. Certified for use on Thermo King truck and trailer configurations, this controller supports accurate setpoint regulation and robust system monitoring for reefer trailer and refrigerated truck duty.

Key Features & Customer Benefits

  • SR2 Control Architecture – Provides precise temperature regulation and reliable cycling for consistent cargo protection.
  • OEM Compatibility – Engineered to integrate with Thermo King SR2-based systems for secure fitment and correct signaling.
  • Diagnostic Support – Enables fault reporting and status feedback to streamline troubleshooting and reduce downtime.
  • Fleet-Grade Reliability – Designed for continuous operation in demanding environments across the Permian Basin and West Texas routes.
  • Serviceability – Supports dealer-level firmware configuration and EPROM setup for unit-specific commissioning.
  • Dealer-Backed Installation – Installed and supported by certified technicians at West Texas Thermo King to preserve system integrity and warranty eligibility.

Product Details

Part Number452302 / OEM 45-2302
Product NameThermo King Board, Controller SR2
CompatibilityThermo King SR2 control systems used on truck and trailer refrigeration units (verify unit model and serial number)
FunctionPrimary control board for temperature control, diagnostics, and operator interface management

Efficiency & Sustainability

The Board, Controller SR2 optimizes cycle control and system responsiveness to maintain consistent temperature with efficient fuel use in Diesel Direct Electric and diesel-driven refrigeration systems. Proper commissioning and firmware configuration support regulatory compliance and help fleets meet environmental goals alongside Smart Reefer SR-4 telematics integration where applicable.

Installation & Maintenance Tips

Use OEM connectors and harnesses for secure electrical fitment and preserve signal integrity. Install EPROM and load unit-specific firmware prior to commissioning. Inspect connections during scheduled maintenance intervals to prevent intermittent faults and protect cargo temperature stability.

Real-World Applications

Designed for refrigerated trucks and reefer trailers operating in regional and long-haul environments, the Board, Controller SR2 supports multi-temperature and single-temperature configurations across Thermo King platforms including common truck units and trailer models. Available for installation and service in Amarillo, Lubbock, Odessa, and throughout West Texas.

View all Thermo King Parts

Backed by Thermo King’s engineering and supported by certified technicians at West Texas Thermo King, this component delivers lasting performance and uptime assurance for fleet operations.

For product verification or service assistance, call (806) 376-5837.

For current warranty eligibility or OEM replacement coverage, please contact us for warranty information or reach the service department directly for confirmation.

Frequently Asked Questions

Q: Is this controller compatible with SR2-equipped Thermo King truck units?
A: Yes. The Board, Controller SR2 integrates with SR2-based Thermo King truck and trailer refrigeration systems when configured with the correct firmware and EPROM.

Q: Does installation require dealer programming?
A: Yes. Certified dealer programming and firmware loading ensure correct unit configuration, diagnostics functionality, and optimal performance.

Q: Can this controller support telematics like Smart Reefer SR-4?
A: The controller supports system-level diagnostics; telematics compatibility depends on interface modules and dealer-configured telematics solutions.

Q: Where is service available in West Texas?
A: Installation and support are available in Amarillo, Lubbock, Odessa, and surrounding West Texas locations through West Texas Thermo King.

Related Resources

Ask about fleet-wide parts programs through West Texas Thermo King.

Produced by a certified Thermo King dealership, West Texas Thermo King | a Division of PEAK Industrial. Servicing fleets across Amarillo, Lubbock, and Odessa.

Official OEM Thermo King parts catalog entry for the Thermo King Board, Controller SR2 (452302 / OEM 45-2302), verified by PEAK Thermo King and West Texas Thermo King Texas, Utah, Wyoming, Washington, Oregon, serving all of the USA.

Built for Performance: The Thermo King Board, Controller SR2 delivers OEM-grade control for Thermo King refrigeration systems, ensuring precise temperature control, reliable diagnostics, and consistent operation across transport refrigeration applications. This controller supports uptime-driven fleets and maximizes return on equipment investment.

Product Overview

Thermo King refrigeration system control logic runs on the Board, Controller SR2 to manage sensors, actuators, and operator inputs. Certified for use on Thermo King truck and trailer configurations, this controller supports accurate setpoint regulation and robust system monitoring for reefer trailer and refrigerated truck duty.

Key Features & Customer Benefits

  • SR2 Control Architecture – Provides precise temperature regulation and reliable cycling for consistent cargo protection.
  • OEM Compatibility – Engineered to integrate with Thermo King SR2-based systems for secure fitment and correct signaling.
  • Diagnostic Support – Enables fault reporting and status feedback to streamline troubleshooting and reduce downtime.
  • Fleet-Grade Reliability – Designed for continuous operation in demanding environments across the Permian Basin and West Texas routes.
  • Serviceability – Supports dealer-level firmware configuration and EPROM setup for unit-specific commissioning.
  • Dealer-Backed Installation – Installed and supported by certified technicians at West Texas Thermo King to preserve system integrity and warranty eligibility.

Product Details

Part Number452302 / OEM 45-2302
Product NameThermo King Board, Controller SR2
CompatibilityThermo King SR2 control systems used on truck and trailer refrigeration units (verify unit model and serial number)
FunctionPrimary control board for temperature control, diagnostics, and operator interface management

Efficiency & Sustainability

The Board, Controller SR2 optimizes cycle control and system responsiveness to maintain consistent temperature with efficient fuel use in Diesel Direct Electric and diesel-driven refrigeration systems. Proper commissioning and firmware configuration support regulatory compliance and help fleets meet environmental goals alongside Smart Reefer SR-4 telematics integration where applicable.

Installation & Maintenance Tips

Use OEM connectors and harnesses for secure electrical fitment and preserve signal integrity. Install EPROM and load unit-specific firmware prior to commissioning. Inspect connections during scheduled maintenance intervals to prevent intermittent faults and protect cargo temperature stability.

Real-World Applications

Designed for refrigerated trucks and reefer trailers operating in regional and long-haul environments, the Board, Controller SR2 supports multi-temperature and single-temperature configurations across Thermo King platforms including common truck units and trailer models. Available for installation and service in Amarillo, Lubbock, Odessa, and throughout West Texas.

View all Thermo King Parts

Backed by Thermo King’s engineering and supported by certified technicians at West Texas Thermo King, this component delivers lasting performance and uptime assurance for fleet operations.

For product verification or service assistance, call (806) 376-5837.

For current warranty eligibility or OEM replacement coverage, please contact us for warranty information or reach the service department directly for confirmation.

Frequently Asked Questions

Q: Is this controller compatible with SR2-equipped Thermo King truck units?
A: Yes. The Board, Controller SR2 integrates with SR2-based Thermo King truck and trailer refrigeration systems when configured with the correct firmware and EPROM.

Q: Does installation require dealer programming?
A: Yes. Certified dealer programming and firmware loading ensure correct unit configuration, diagnostics functionality, and optimal performance.

Q: Can this controller support telematics like Smart Reefer SR-4?
A: The controller supports system-level diagnostics; telematics compatibility depends on interface modules and dealer-configured telematics solutions.

Q: Where is service available in West Texas?
A: Installation and support are available in Amarillo, Lubbock, Odessa, and surrounding West Texas locations through West Texas Thermo King.

Related Resources

Ask about fleet-wide parts programs through West Texas Thermo King.

Produced by a certified Thermo King dealership, West Texas Thermo King | a Division of PEAK Industrial. Servicing fleets across Amarillo, Lubbock, and Odessa.