Official OEM Thermo King parts catalog entry for the Thermo King Valve, Expansion 668200, 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 Valve, Expansion 668200 delivers precise refrigerant metering within a Thermo King refrigeration system to maintain consistent temperature control for reefer trailers and transport refrigeration applications. Engineered for dependable operation across long-haul routes, this OEM expansion valve supports uptime, reduces temperature variance, and protects perishable cargo across West Texas and the Permian Basin.
| Part Number | 668200 |
| Product Name | Thermo King Valve, Expansion 668200 |
| Function | Regulates refrigerant flow into the evaporator to control superheat and maintain temperature stability |
| Compatibility | Compatible with Thermo King transport refrigeration platforms including Precedent S-610M, S-610DE, Smart Reefer SR-4, and Diesel Direct Electric applications |
| Manufacturer | Thermo King (OEM) |
The Thermo King Valve, Expansion 668200 supports fuel-efficient cooling strategies by enabling precise refrigerant metering that reduces compressor cycling and optimizes evaporator efficiency. The valve integrates with Smart Reefer SR-4 and modern Thermo King control platforms to support regulatory and environmental initiatives, including CARB Evergreen considerations where applicable. This component helps fleets lower energy use while maintaining strict temperature control for sensitive cargo.
Install using OEM-specified fittings and torque values to ensure leak-free connections. Inspect the expansion valve during scheduled service intervals for proper operation and signs of contamination or system imbalance. Use recommended replacement parts and calibrated charging practices to preserve system calibration and reliability.
The Thermo King Valve, Expansion 668200 is ideal for reefer trailers, refrigerated trucks, and transport refrigeration units that require precise evaporator control. It performs reliably in long-haul transport, regional distribution, and multi-temperature load applications across varied West Texas climates. Available for installation and service in Amarillo, Lubbock, Odessa, and throughout West Texas.
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, contact us for warranty information: Contact Us.
Q: Is this expansion valve compatible with Precedent-series units?
A: Yes. The Thermo King Valve, Expansion 668200 integrates with Precedent platforms and other Thermo King transport refrigeration units where specified for precise refrigerant metering.
Q: How does this valve affect temperature control?
A: The expansion valve regulates refrigerant flow into the evaporator to maintain correct superheat, supporting stable temperature control and reducing the risk of evaporator flooding or underfeeding.
Q: What should maintenance teams inspect during service?
A: Inspect valve operation, check for refrigerant leaks, confirm proper superheat settings, and verify system cleanliness. Replace the valve if performance drift or contamination impacts refrigerant flow.
Q: Can this part support Smart Reefer and Diesel Direct Electric systems?
A: Yes. The valve is designed to operate within Thermo King Smart Reefer SR-4 control strategies and Diesel Direct Electric platforms when specified by equipment documentation.
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 Valve, Expansion 668200, 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 Valve, Expansion 668200 delivers precise refrigerant metering within a Thermo King refrigeration system to maintain consistent temperature control for reefer trailers and transport refrigeration applications. Engineered for dependable operation across long-haul routes, this OEM expansion valve supports uptime, reduces temperature variance, and protects perishable cargo across West Texas and the Permian Basin.
| Part Number | 668200 |
| Product Name | Thermo King Valve, Expansion 668200 |
| Function | Regulates refrigerant flow into the evaporator to control superheat and maintain temperature stability |
| Compatibility | Compatible with Thermo King transport refrigeration platforms including Precedent S-610M, S-610DE, Smart Reefer SR-4, and Diesel Direct Electric applications |
| Manufacturer | Thermo King (OEM) |
The Thermo King Valve, Expansion 668200 supports fuel-efficient cooling strategies by enabling precise refrigerant metering that reduces compressor cycling and optimizes evaporator efficiency. The valve integrates with Smart Reefer SR-4 and modern Thermo King control platforms to support regulatory and environmental initiatives, including CARB Evergreen considerations where applicable. This component helps fleets lower energy use while maintaining strict temperature control for sensitive cargo.
Install using OEM-specified fittings and torque values to ensure leak-free connections. Inspect the expansion valve during scheduled service intervals for proper operation and signs of contamination or system imbalance. Use recommended replacement parts and calibrated charging practices to preserve system calibration and reliability.
The Thermo King Valve, Expansion 668200 is ideal for reefer trailers, refrigerated trucks, and transport refrigeration units that require precise evaporator control. It performs reliably in long-haul transport, regional distribution, and multi-temperature load applications across varied West Texas climates. Available for installation and service in Amarillo, Lubbock, Odessa, and throughout West Texas.
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, contact us for warranty information: Contact Us.
Q: Is this expansion valve compatible with Precedent-series units?
A: Yes. The Thermo King Valve, Expansion 668200 integrates with Precedent platforms and other Thermo King transport refrigeration units where specified for precise refrigerant metering.
Q: How does this valve affect temperature control?
A: The expansion valve regulates refrigerant flow into the evaporator to maintain correct superheat, supporting stable temperature control and reducing the risk of evaporator flooding or underfeeding.
Q: What should maintenance teams inspect during service?
A: Inspect valve operation, check for refrigerant leaks, confirm proper superheat settings, and verify system cleanliness. Replace the valve if performance drift or contamination impacts refrigerant flow.
Q: Can this part support Smart Reefer and Diesel Direct Electric systems?
A: Yes. The valve is designed to operate within Thermo King Smart Reefer SR-4 control strategies and Diesel Direct Electric platforms when specified by equipment documentation.
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.
