TECUMSEH AJ210FT-206-J9 Hermetic Compressor AJ5517E 208/230V 1PH R-404A

( Brand: Tecumseh ), ( Manufacturer Part Number: AJ210FT-206-J9 ), ( Model: AJ5517E ), ( Compressor Type: Hermetic ), ( Blower Motor Speed: Single Speed ), ( Power Source: Corded Electric ), ( Refrigerant: R-404a ), ( Color: Black ), ( Current Rating: 20.1-25 A ), ( Material: Steel ), ( Item Depth: 11 In ), ( Power Phase: 1 Phase ), ( Tonnage: Less Than 2 Tons ), ( Type: Compressor ), ( Capacity: Less Than 12, 000 Btuh ), ( Energy Efficiency Ratio: Eer ), ( Manufacturer Warranty: 1 Year ), ( Item Height: 26 In ), ( Voltage: 208/230 V ), ( Item Width: 14 In )

Review TECUMSEH Hermetic Compressor 208/230v 1ph

The **Tecumseh AJ210FT-206-J9 Hermetic Compressor (Model AJ5517E, 208/230V, 1-Phase, R-404A)** is a high-performance, industrial-grade refrigeration compressor engineered for demanding applications where reliability, efficiency, and durability are paramount. Part of Tecumseh s renowned AJ series, this hermetic unit combines advanced engineering with robust construction to deliver consistent cooling performance in commercial, industrial, and specialized refrigeration systems. Designed for use with **R-404A refrigerant**, a widely adopted blend in low-temperature and medium-temperature applications, this compressor excels in environments requiring precise temperature control, such as cold storage warehouses, supermarket freezers, ice rinks, and industrial process cooling. Its **208/230V, single-phase electrical configuration** ensures compatibility with standard commercial power supplies, making it a versatile choice for facilities with existing infrastructure.

The AJ210FT-206-J9 features a **206-ton capacity**, positioning it as a heavy-duty workhorse capable of handling large-scale refrigeration loads with ease. Its **hermetic design** encapsulates the compressor components within a sealed housing, eliminating the need for external oil pumps or lubrication systems while enhancing safety and reducing maintenance requirements. The **AJ5517E model** incorporates Tecumseh s proprietary **AJ-series technology**, which includes optimized valve systems, precision-machined crankshafts, and high-efficiency bearings to minimize energy consumption and extend operational lifespan. This compressor is built to withstand continuous operation under varying load conditions, making it ideal for applications where uptime is critical.

One of the standout features of this unit is its **adaptability to diverse refrigeration cycles**, including both direct and indirect cooling systems. The **R-404A compatibility** ensures compatibility with existing refrigerant loops, while its **208/230V, 1-phase electrical rating** simplifies integration into commercial power grids without requiring specialized wiring. The compressor s **J9 designation** indicates a specific model variant optimized for certain performance parameters, such as suction and discharge pressures, ensuring it meets the exact demands of low-temperature applications where traditional compressors might struggle. Additionally, Tecumseh s reputation for **superior aftermarket support** means that replacement parts, technical documentation, and service assistance are readily available, reducing downtime and ensuring long-term reliability.

For facilities requiring **high-capacity, low-temperature refrigeration**, the AJ210FT-206-J9 delivers unmatched performance with minimal operational overhead. Its **efficient cooling output**, combined with Tecumseh s legacy of innovation, makes it a trusted choice for engineers and facility managers seeking a compressor that balances power, efficiency, and longevity. Whether deployed in a large-scale cold storage facility, an industrial freezer system, or a specialized refrigeration application, this unit stands as a testament to Tecumseh s commitment to delivering high-performance, dependable refrigeration solutions.

### **Pros and Cons of buying a Tecumseh AJ210FT-206-J9 Hermetic Compressor (AJ5517E, 208/230V, 1-Phase, R-404A)**

#### **Pros**

1. **Reliability and Brand Reputation**

Tecumseh is a well-established manufacturer in the HVAC and refrigeration industry, known for producing durable and high-performance compressors. Their hermetic compressors are widely used in commercial and industrial applications, suggesting a strong track record of reliability.

2. **Compatibility with R-404A**

The compressor is designed for R-404A refrigerant, which is commonly used in medium-temperature commercial refrigeration systems. This makes it a suitable replacement for older systems still using this refrigerant (though note that R-404A is being phased down due to environmental concerns, so future-proofing may require a transition to alternatives like R-410A or R-513A).

3. **Voltage and Phase Matching**

The compressor is rated for **208/230V, single-phase**, which is standard for many commercial refrigeration units in North America. This ensures compatibility with existing electrical setups in most facilities, reducing the need for additional wiring or transformer upgrades.

4. **Hermetic Design**

Hermetic compressors are sealed units with the motor integrated inside the compressor shell. This design eliminates the need for oil changes, reduces leakage risks, and simplifies installation since there are no external oil lines or seals to maintain. It also improves safety by containing all components within a single unit.

5. **Performance Specifications**

The **AJ210FT-206-J9** is part of Tecumseh s AJ series, which is known for balanced performance between capacity and efficiency. The **206-ton capacity** (likely a typo or mislabeling most Tecumseh compressors in this series are in the range of **1 10 tons**; verify the actual capacity) suggests it is designed for medium-duty applications like walk-in coolers, display cases, or small commercial refrigeration units. If the capacity is indeed correct, it may be suitable for larger systems.

6. **Easy Replacement and Availability**

Tecumseh compressors are widely available through HVAC distributors, making parts replacement straightforward. The hermetic design also means that if the compressor fails, it can often be swapped out as a direct replacement without major system modifications.

7. **Energy Efficiency**

Tecumseh compressors are generally designed with efficiency in mind, which can lead to lower operational costs compared to older or less optimized models. The AJ series is known for its stable performance under varying load conditions.

---

#### **Cons**

1. **Potential Mislabeling or Incorrect Specifications**

The **206-ton capacity** mentioned seems unusually high for a single compressor in this series. Most Tecumseh AJ-series compressors are rated in the **1 10-ton range** (e.g., AJ210FT-206-J9 might actually refer to a **2-ton** or **6-ton** model). Double-checking the exact capacity is crucial to ensure it matches your application. Using an oversized compressor can lead to inefficiencies like short cycling or excessive energy consumption.

2. **R-404A Phase-Out and Environmental Concerns**

R-404A is a **hydrofluorocarbon (HFC) refrigerant** with a high global warming potential (GWP). Many regions are phasing it out in favor of lower-GWP alternatives like **R-410A, R-513A, or natural refrigerants (e.g., CO , ammonia)**. Retrofitting to a different refrigerant may require additional costs for system modifications, refrigerant, and possibly compressor replacement if the new refrigerant is incompatible.

3. **Single-Phase Limitations**

While single-phase power is common for smaller systems, it may not be suitable for larger or more complex refrigeration setups. If your system requires **three-phase power**, this compressor will not be compatible without significant electrical upgrades.

4. **Cost of Replacement vs. Repair**

Hermetic compressors are generally reliable, but when they fail, they are often **not repairable** and must be replaced. The cost of a new compressor (especially if mislabeled or oversized) could be high, particularly if the system is older and requires additional modifications (e.g., refrigerant changes, electrical work).

5. **Compatibility with Existing System**

Even if the voltage and phase match, other factors like **oil type, refrigerant charge, and system pressure ratings** must align with the compressor. Mismatches can lead to premature failure or reduced efficiency. Consulting a refrigeration technician to verify compatibility is essential.

6. **Warranty and Support Limitations**

Tecumseh offers warranties, but they may vary by distributor or region. If purchasing from a third-party seller, ensure the compressor comes with a valid warranty and that the seller provides proper support for installation or troubleshooting.

7. **Potential for Counterfeit or Damaged Units**

Buying from untrusted sellers (e.g., eBay, Facebook Marketplace, or unknown online stores) risks purchasing **counterfeit, refurbished, or damaged units**. Always verify the seller s reputation, request a certificate of authenticity, and consider purchasing from authorized HVAC distributors or Tecumseh-approved dealers.

---

### **Conclusion**

The **Tecumseh AJ210FT-206-J9 hermetic compressor (R-404A, 208/230V, 1-phase)** is a **reliable, high-quality choice** for medium-duty commercial refrigeration applications, provided the **capacity and specifications are accurate**. Its hermetic design simplifies installation and maintenance, and Tecumseh s reputation ensures durability. However, the **potential mislabeling of capacity**, **R-404A phase-out concerns**, and **compatibility risks** with existing systems must be carefully addressed.

If the compressor is indeed a **smaller capacity model (e.g., 2 6 tons)** and your system is compatible, it is a solid purchase. If the **206-ton rating is correct**, it may be overkill for most applications, leading to inefficiencies. Additionally, if your system is **not already using R-404A**, retrofitting may require extra costs.

### **Recommendation**

1. **Verify the Exact Specifications**

Confirm the **actual capacity, model number, and refrigerant compatibility** with the seller or Tecumseh s documentation. If the capacity seems unusually high, cross-reference with Tecumseh s product catalog.

2. **Check System Compatibility**

Ensure your refrigeration system s **voltage, phase, refrigerant type, and oil compatibility** match the compressor. Consult a refrigeration technician if unsure.

3. **Consider Future-Proofing**

If possible, explore **R-410A or R-513A alternatives** to avoid future regulatory or environmental issues with R-404A.

4. **Purchase from a Trusted Source**

Buy from **authorized HVAC distributors, Tecumseh dealers, or well-reviewed suppliers** to avoid counterfeit or damaged units. Request a warranty and installation support if needed.

5. **Budget for Potential Upgrades**

Account for **additional costs** if retrofitting refrigerant, modifying electrical systems, or replacing other components.

If the compressor s specifications align perfectly with your system s needs and you ve verified its authenticity, it is a **good investment** for reliable refrigeration performance. However, if there are doubts about capacity, refrigerant compatibility, or system fit, **proceed with caution** or consult a professional before purchasing. For long-term sustainability, consider transitioning to a more environmentally friendly refrigerant if possible.

Details:

Details: model: AJ210FT-206-J9 Series: AJ5517E voltage : 208 230V / 200V Frequency: 60Hz 50Hz Phase: 1PH Power: 1 HP Made in USA Oil: Synthetic Ululate Compressor Oil The compressor is new and has never been used. It has some dust and minor marks from storage, but it not been installed or operated. Please verify compatibility by model number and specifications before purchasing. Good for refrigeration or compressor equipment.

Tecumseh AJ210FT-206-J9 Compressor 1 HP Selling a compressor.

part #: aj210ft206j9 prices

• $499.95-$699.95

specifications motohva:

• brand: Tecumseh
• mpn: Aj210ft-206-j9
• model: Aj5517e
• compressor type: Hermetic
• blower motor speed: Single Speed
• power source: Corded Electric
• refrigerant: R-404a
• color: Black
• current rating: 20.1-25 A
• material: Steel
• item depth: 11 In
• power phase: 1 Phase
• tonnage: Less Than 2 Tons
• type: Compressor
• capacity: Less Than 12, 000 Btuh
• energy efficiency ratio: Eer
• manufacturer warranty: 1 Year
• item height: 26 In
• voltage: 208/230 V
• item width: 14 In

returns motohva:

• policy: No Returns

seller motohva:

• rating: 0.0%
• # reviews: 0
• city: Dublin, Ohio

general motohva:

• condition: New Open box
• HVAC Refrigeration > HVAC Refrigeration Components > Compressors

payments motohva:

• credit card: Diners-club
• wallet: Apple-pay
• other

shipping motohva:

• carrier: USPS
• cost: $83.15
• class: Standard
• transit: 5-11 Days
• service: USPS Ground Advantage
• type: Calculated

offer motohva:

• sold: 0
• quantity: 1
• best offers: True
• availability: In Stock
• options: Ship-to-home
• started: April 26, 2026

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