Thermo King High-Pressure Cut-Out Safety Switch HPCO 3041921
Official OEM Thermo King parts catalog entry for the Thermo King Switch HPCO 3041921, 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 Switch HPCO 3041921 protects Thermo King refrigeration systems by monitoring high-pressure conditions and interrupting compressor operation when pressure exceeds safe thresholds. This OEM-grade safety switch ensures uptime and precise safeguards for temperature-critical transport refrigeration and reefer trailer operations.
Key Features & Customer Benefits
- OEM Safety Design – Provides industry-standard high-pressure cut-out protection that safeguards compressors and refrigeration components for reliable service life.
- Direct Thermo King Compatibility – Engineered to interface with Thermo King refrigeration unit control systems for dependable integration with Smart Reefer SR-4, Precedent, and similar platforms.
- Durable Construction – Built to endure transport refrigeration environments, supporting consistent performance across long-haul and regional routes.
- Uptime Protection – Prevents overpressure-related failures, reducing unscheduled downtime and preserving temperature control for perishable loads.
- Fleet ROI – Minimizes repair risk and extends system life, supporting lower total cost of ownership and more predictable maintenance budgets.
- Certified Support – Backed by West Texas Thermo King technicians for installation and service across the Permian Basin and West Texas.
Product Details
| Part Number | 3041921 |
| Product Name | Thermo King Switch HPCO 3041921 |
| Function | High-Pressure Cut-Out (HPCO) safety switch for refrigeration systems |
| Compatibility | Thermo King refrigeration units and reefer trailer systems, including many Smart Reefer SR-4 and Precedent-series configurations |
Efficiency & Sustainability
The Thermo King Switch HPCO 3041921 supports efficient, fuel-conscious cooling operations by preventing compressor stress and system inefficiencies caused by overpressure events. Proper pressure management contributes to consistent temperature control across transport refrigeration loads and supports compliance with fleet environmental and operational goals, including integration with Diesel Direct Electric and CARB Evergreen-aware system strategies where applicable.
Installation & Maintenance Tips
Install the Switch HPCO 3041921 per Thermo King service guidelines using OEM-quality fittings and seals. Inspect the switch during scheduled maintenance intervals and verify electrical connections and pressure port integrity. Replace immediately if the switch shows signs of wear, leakage, or inconsistent actuation to maintain system reliability.
Real-World Applications
The Switch HPCO 3041921 functions across reefer trailer units, refrigerated trucks, and transport refrigeration systems that require dependable high-pressure protection. Ideal for fleet operations transporting perishables, pharmaceuticals, or temperature-sensitive cargo where uptime and precise temperature control are essential.
Available for installation and service in Amarillo, Lubbock, Odessa, and throughout West Texas.
View all Thermo King PartsBacked 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 contact the service department for confirmation.
Frequently Asked Questions
Q: Is the Switch HPCO 3041921 compatible with Smart Reefer SR-4 controls?
A: Yes. The switch is designed to integrate with Thermo King control systems commonly used on Smart Reefer SR-4 platforms and similar transport refrigeration units.
Q: How does this switch protect fleet uptime?
A: The switch interrupts compressor operation during high-pressure events, preventing component damage and reducing the likelihood of costly roadside failures and extended downtime.
Q: What maintenance is required for reliable operation?
A: Inspect the switch during scheduled service intervals, verify mounting and connections, and replace if actuation becomes inconsistent or if leaks are present.
Q: Where can this part be serviced in West Texas?
A: West Texas Thermo King provides installation and service across Amarillo, Lubbock, Odessa, and the Permian Basin with certified technicians trained on Thermo King transport refrigeration systems.
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 Switch HPCO 3041921, 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 Switch HPCO 3041921 protects Thermo King refrigeration systems by monitoring high-pressure conditions and interrupting compressor operation when pressure exceeds safe thresholds. This OEM-grade safety switch ensures uptime and precise safeguards for temperature-critical transport refrigeration and reefer trailer operations.
Key Features & Customer Benefits
- OEM Safety Design – Provides industry-standard high-pressure cut-out protection that safeguards compressors and refrigeration components for reliable service life.
- Direct Thermo King Compatibility – Engineered to interface with Thermo King refrigeration unit control systems for dependable integration with Smart Reefer SR-4, Precedent, and similar platforms.
- Durable Construction – Built to endure transport refrigeration environments, supporting consistent performance across long-haul and regional routes.
- Uptime Protection – Prevents overpressure-related failures, reducing unscheduled downtime and preserving temperature control for perishable loads.
- Fleet ROI – Minimizes repair risk and extends system life, supporting lower total cost of ownership and more predictable maintenance budgets.
- Certified Support – Backed by West Texas Thermo King technicians for installation and service across the Permian Basin and West Texas.
Product Details
| Part Number | 3041921 |
| Product Name | Thermo King Switch HPCO 3041921 |
| Function | High-Pressure Cut-Out (HPCO) safety switch for refrigeration systems |
| Compatibility | Thermo King refrigeration units and reefer trailer systems, including many Smart Reefer SR-4 and Precedent-series configurations |
Efficiency & Sustainability
The Thermo King Switch HPCO 3041921 supports efficient, fuel-conscious cooling operations by preventing compressor stress and system inefficiencies caused by overpressure events. Proper pressure management contributes to consistent temperature control across transport refrigeration loads and supports compliance with fleet environmental and operational goals, including integration with Diesel Direct Electric and CARB Evergreen-aware system strategies where applicable.
Installation & Maintenance Tips
Install the Switch HPCO 3041921 per Thermo King service guidelines using OEM-quality fittings and seals. Inspect the switch during scheduled maintenance intervals and verify electrical connections and pressure port integrity. Replace immediately if the switch shows signs of wear, leakage, or inconsistent actuation to maintain system reliability.
Real-World Applications
The Switch HPCO 3041921 functions across reefer trailer units, refrigerated trucks, and transport refrigeration systems that require dependable high-pressure protection. Ideal for fleet operations transporting perishables, pharmaceuticals, or temperature-sensitive cargo where uptime and precise temperature control are essential.
Available for installation and service in Amarillo, Lubbock, Odessa, and throughout West Texas.
View all Thermo King PartsBacked 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 contact the service department for confirmation.
Frequently Asked Questions
Q: Is the Switch HPCO 3041921 compatible with Smart Reefer SR-4 controls?
A: Yes. The switch is designed to integrate with Thermo King control systems commonly used on Smart Reefer SR-4 platforms and similar transport refrigeration units.
Q: How does this switch protect fleet uptime?
A: The switch interrupts compressor operation during high-pressure events, preventing component damage and reducing the likelihood of costly roadside failures and extended downtime.
Q: What maintenance is required for reliable operation?
A: Inspect the switch during scheduled service intervals, verify mounting and connections, and replace if actuation becomes inconsistent or if leaks are present.
Q: Where can this part be serviced in West Texas?
A: West Texas Thermo King provides installation and service across Amarillo, Lubbock, Odessa, and the Permian Basin with certified technicians trained on Thermo King transport refrigeration systems.
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.